Home / 16,451.90-22,703.55-8,898.24

Finding the Fourth Proportional to 16,451.90, 22,703.55 and 8,898.24

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Solution

The fourth proportional to 16,451.90, 22,703.55 and 8,898.24 is: 12,279.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,451.90 : 22,703.55 = 8,898.24 : x
  2. Step 2: Convert to fraction form
    16,451.90/22,703.55 = 8,898.24/x
  3. Step 3: Cross multiply
    16,451.90x = 22,703.55 × 8,898.24
  4. Step 4: Simplify right side
    16,451.90x = 202,021,636.75
  5. Step 5: Solve for x
    x = 202,021,636.75/16,451.90
  6. Step 6: Final answer
    x = 12,279.53

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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.