Home / 22,637.77-31,243.82-12,569.47

Finding the Fourth Proportional to 22,637.77, 31,243.82 and 12,569.47

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Solution

The fourth proportional to 22,637.77, 31,243.82 and 12,569.47 is: 17,347.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,637.77 : 31,243.82 = 12,569.47 : x
  2. Step 2: Convert to fraction form
    22,637.77/31,243.82 = 12,569.47/x
  3. Step 3: Cross multiply
    22,637.77x = 31,243.82 × 12,569.47
  4. Step 4: Simplify right side
    22,637.77x = 392,718,258.18
  5. Step 5: Solve for x
    x = 392,718,258.18/22,637.77
  6. Step 6: Final answer
    x = 17,347.92

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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.