Home / 21,032.66-29,024.66-11,472.62

Finding the Fourth Proportional to 21,032.66, 29,024.66 and 11,472.62

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Solution

The fourth proportional to 21,032.66, 29,024.66 and 11,472.62 is: 15,831.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,032.66 : 29,024.66 = 11,472.62 : x
  2. Step 2: Convert to fraction form
    21,032.66/29,024.66 = 11,472.62/x
  3. Step 3: Cross multiply
    21,032.66x = 29,024.66 × 11,472.62
  4. Step 4: Simplify right side
    21,032.66x = 332,988,894.81
  5. Step 5: Solve for x
    x = 332,988,894.81/21,032.66
  6. Step 6: Final answer
    x = 15,831.99

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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.