Home / 19,929.86-27,505.15-14,885.33

Finding the Fourth Proportional to 19,929.86, 27,505.15 and 14,885.33

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Solution

The fourth proportional to 19,929.86, 27,505.15 and 14,885.33 is: 20,543.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,929.86 : 27,505.15 = 14,885.33 : x
  2. Step 2: Convert to fraction form
    19,929.86/27,505.15 = 14,885.33/x
  3. Step 3: Cross multiply
    19,929.86x = 27,505.15 × 14,885.33
  4. Step 4: Simplify right side
    19,929.86x = 409,423,115.53
  5. Step 5: Solve for x
    x = 409,423,115.53/19,929.86
  6. Step 6: Final answer
    x = 20,543.20

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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.