Home / 22,663.73-31,274.51-12,591.99

Finding the Fourth Proportional to 22,663.73, 31,274.51 and 12,591.99

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Solution

The fourth proportional to 22,663.73, 31,274.51 and 12,591.99 is: 17,376.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,663.73 : 31,274.51 = 12,591.99 : x
  2. Step 2: Convert to fraction form
    22,663.73/31,274.51 = 12,591.99/x
  3. Step 3: Cross multiply
    22,663.73x = 31,274.51 × 12,591.99
  4. Step 4: Simplify right side
    22,663.73x = 393,808,254.21
  5. Step 5: Solve for x
    x = 393,808,254.21/22,663.73
  6. Step 6: Final answer
    x = 17,376.14

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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.