Home / 20,242.71-27,934.07-14,935.59

Finding the Fourth Proportional to 20,242.71, 27,934.07 and 14,935.59

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Solution

The fourth proportional to 20,242.71, 27,934.07 and 14,935.59 is: 20,610.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,242.71 : 27,934.07 = 14,935.59 : x
  2. Step 2: Convert to fraction form
    20,242.71/27,934.07 = 14,935.59/x
  3. Step 3: Cross multiply
    20,242.71x = 27,934.07 × 14,935.59
  4. Step 4: Simplify right side
    20,242.71x = 417,211,741.87
  5. Step 5: Solve for x
    x = 417,211,741.87/20,242.71
  6. Step 6: Final answer
    x = 20,610.47

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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.