Home / 22,803.84-31,472.28-13,373.28

Finding the Fourth Proportional to 22,803.84, 31,472.28 and 13,373.28

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Solution

The fourth proportional to 22,803.84, 31,472.28 and 13,373.28 is: 18,456.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,803.84 : 31,472.28 = 13,373.28 : x
  2. Step 2: Convert to fraction form
    22,803.84/31,472.28 = 13,373.28/x
  3. Step 3: Cross multiply
    22,803.84x = 31,472.28 × 13,373.28
  4. Step 4: Simplify right side
    22,803.84x = 420,887,612.68
  5. Step 5: Solve for x
    x = 420,887,612.68/22,803.84
  6. Step 6: Final answer
    x = 18,456.87

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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.