Home / 16,463.90-22,720.23-8,910.22

Finding the Fourth Proportional to 16,463.90, 22,720.23 and 8,910.22

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Solution

The fourth proportional to 16,463.90, 22,720.23 and 8,910.22 is: 12,296.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,463.90 : 22,720.23 = 8,910.22 : x
  2. Step 2: Convert to fraction form
    16,463.90/22,720.23 = 8,910.22/x
  3. Step 3: Cross multiply
    16,463.90x = 22,720.23 × 8,910.22
  4. Step 4: Simplify right side
    16,463.90x = 202,442,319.07
  5. Step 5: Solve for x
    x = 202,442,319.07/16,463.90
  6. Step 6: Final answer
    x = 12,296.14

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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.