Home / 23,088.97-31,862.92-12,478.58

Finding the Fourth Proportional to 23,088.97, 31,862.92 and 12,478.58

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Solution

The fourth proportional to 23,088.97, 31,862.92 and 12,478.58 is: 17,220.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,088.97 : 31,862.92 = 12,478.58 : x
  2. Step 2: Convert to fraction form
    23,088.97/31,862.92 = 12,478.58/x
  3. Step 3: Cross multiply
    23,088.97x = 31,862.92 × 12,478.58
  4. Step 4: Simplify right side
    23,088.97x = 397,603,836.94
  5. Step 5: Solve for x
    x = 397,603,836.94/23,088.97
  6. Step 6: Final answer
    x = 17,220.51

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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.