Home / 22,663.02-31,275.12-12,591.30

Finding the Fourth Proportional to 22,663.02, 31,275.12 and 12,591.30

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Solution

The fourth proportional to 22,663.02, 31,275.12 and 12,591.30 is: 17,376.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,663.02 : 31,275.12 = 12,591.30 : x
  2. Step 2: Convert to fraction form
    22,663.02/31,275.12 = 12,591.30/x
  3. Step 3: Cross multiply
    22,663.02x = 31,275.12 × 12,591.30
  4. Step 4: Simplify right side
    22,663.02x = 393,794,418.46
  5. Step 5: Solve for x
    x = 393,794,418.46/22,663.02
  6. Step 6: Final answer
    x = 17,376.08

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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.