Home / 22,359.90-30,824.15-15,624.61

Finding the Fourth Proportional to 22,359.90, 30,824.15 and 15,624.61

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Solution

The fourth proportional to 22,359.90, 30,824.15 and 15,624.61 is: 21,539.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,359.90 : 30,824.15 = 15,624.61 : x
  2. Step 2: Convert to fraction form
    22,359.90/30,824.15 = 15,624.61/x
  3. Step 3: Cross multiply
    22,359.90x = 30,824.15 × 15,624.61
  4. Step 4: Simplify right side
    22,359.90x = 481,615,472.37
  5. Step 5: Solve for x
    x = 481,615,472.37/22,359.90
  6. Step 6: Final answer
    x = 21,539.25

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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.