Home / 14,389.68-19,728.24-14,127.24

Finding the Fourth Proportional to 14,389.68, 19,728.24 and 14,127.24

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Solution

The fourth proportional to 14,389.68, 19,728.24 and 14,127.24 is: 19,368.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,389.68 : 19,728.24 = 14,127.24 : x
  2. Step 2: Convert to fraction form
    14,389.68/19,728.24 = 14,127.24/x
  3. Step 3: Cross multiply
    14,389.68x = 19,728.24 × 14,127.24
  4. Step 4: Simplify right side
    14,389.68x = 278,705,581.26
  5. Step 5: Solve for x
    x = 278,705,581.26/14,389.68
  6. Step 6: Final answer
    x = 19,368.43

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Half scale
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Double scale
Find fourth proportional to 14,390.68, 19,729.61 and 14,128.24
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.