Home / 22,664.16-31,277.20-13,713.28

Finding the Fourth Proportional to 22,664.16, 31,277.20 and 13,713.28

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Solution

The fourth proportional to 22,664.16, 31,277.20 and 13,713.28 is: 18,924.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,664.16 : 31,277.20 = 13,713.28 : x
  2. Step 2: Convert to fraction form
    22,664.16/31,277.20 = 13,713.28/x
  3. Step 3: Cross multiply
    22,664.16x = 31,277.20 × 13,713.28
  4. Step 4: Simplify right side
    22,664.16x = 428,913,001.22
  5. Step 5: Solve for x
    x = 428,913,001.22/22,664.16
  6. Step 6: Final answer
    x = 18,924.73

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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.