Home / 16,578.59-22,877.91-12,121.16

Finding the Fourth Proportional to 16,578.59, 22,877.91 and 12,121.16

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Solution

The fourth proportional to 16,578.59, 22,877.91 and 12,121.16 is: 16,726.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,578.59 : 22,877.91 = 12,121.16 : x
  2. Step 2: Convert to fraction form
    16,578.59/22,877.91 = 12,121.16/x
  3. Step 3: Cross multiply
    16,578.59x = 22,877.91 × 12,121.16
  4. Step 4: Simplify right side
    16,578.59x = 277,306,693.19
  5. Step 5: Solve for x
    x = 277,306,693.19/16,578.59
  6. Step 6: Final answer
    x = 16,726.80

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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.