Home / 19,154.26-26,449.50-14,127.20

Finding the Fourth Proportional to 19,154.26, 26,449.50 and 14,127.20

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Solution

The fourth proportional to 19,154.26, 26,449.50 and 14,127.20 is: 19,507.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,154.26 : 26,449.50 = 14,127.20 : x
  2. Step 2: Convert to fraction form
    19,154.26/26,449.50 = 14,127.20/x
  3. Step 3: Cross multiply
    19,154.26x = 26,449.50 × 14,127.20
  4. Step 4: Simplify right side
    19,154.26x = 373,657,376.40
  5. Step 5: Solve for x
    x = 373,657,376.40/19,154.26
  6. Step 6: Final answer
    x = 19,507.79

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.