Home / 16,108.50-22,229.77-9,398.74

Finding the Fourth Proportional to 16,108.50, 22,229.77 and 9,398.74

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Solution

The fourth proportional to 16,108.50, 22,229.77 and 9,398.74 is: 12,970.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,108.50 : 22,229.77 = 9,398.74 : x
  2. Step 2: Convert to fraction form
    16,108.50/22,229.77 = 9,398.74/x
  3. Step 3: Cross multiply
    16,108.50x = 22,229.77 × 9,398.74
  4. Step 4: Simplify right side
    16,108.50x = 208,931,828.49
  5. Step 5: Solve for x
    x = 208,931,828.49/16,108.50
  6. Step 6: Final answer
    x = 12,970.28

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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.