Home / 15,902.24-21,945.28-8,732.48

Finding the Fourth Proportional to 15,902.24, 21,945.28 and 8,732.48

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Solution

The fourth proportional to 15,902.24, 21,945.28 and 8,732.48 is: 12,050.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,902.24 : 21,945.28 = 8,732.48 : x
  2. Step 2: Convert to fraction form
    15,902.24/21,945.28 = 8,732.48/x
  3. Step 3: Cross multiply
    15,902.24x = 21,945.28 × 8,732.48
  4. Step 4: Simplify right side
    15,902.24x = 191,636,718.69
  5. Step 5: Solve for x
    x = 191,636,718.69/15,902.24
  6. Step 6: Final answer
    x = 12,050.93

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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.