Home / 14,114.17-19,477.29-8,145.55

Finding the Fourth Proportional to 14,114.17, 19,477.29 and 8,145.55

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Solution

The fourth proportional to 14,114.17, 19,477.29 and 8,145.55 is: 11,240.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,114.17 : 19,477.29 = 8,145.55 : x
  2. Step 2: Convert to fraction form
    14,114.17/19,477.29 = 8,145.55/x
  3. Step 3: Cross multiply
    14,114.17x = 19,477.29 × 8,145.55
  4. Step 4: Simplify right side
    14,114.17x = 158,653,239.56
  5. Step 5: Solve for x
    x = 158,653,239.56/14,114.17
  6. Step 6: Final answer
    x = 11,240.71

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Half scale
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Double scale
Find fourth proportional to 14,115.17, 19,478.67 and 8,146.55
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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.