Home / 22,341.08-30,824.40-14,387.92

Finding the Fourth Proportional to 22,341.08, 30,824.40 and 14,387.92

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Solution

The fourth proportional to 22,341.08, 30,824.40 and 14,387.92 is: 19,851.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,341.08 : 30,824.40 = 14,387.92 : x
  2. Step 2: Convert to fraction form
    22,341.08/30,824.40 = 14,387.92/x
  3. Step 3: Cross multiply
    22,341.08x = 30,824.40 × 14,387.92
  4. Step 4: Simplify right side
    22,341.08x = 443,499,001.25
  5. Step 5: Solve for x
    x = 443,499,001.25/22,341.08
  6. Step 6: Final answer
    x = 19,851.28

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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.