Home / 14,538.20-21,764.10-9,613.40

Finding the Fourth Proportional to 14,538.20, 21,764.10 and 9,613.40

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Solution

The fourth proportional to 14,538.20, 21,764.10 and 9,613.40 is: 14,391.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,538.20 : 21,764.10 = 9,613.40 : x
  2. Step 2: Convert to fraction form
    14,538.20/21,764.10 = 9,613.40/x
  3. Step 3: Cross multiply
    14,538.20x = 21,764.10 × 9,613.40
  4. Step 4: Simplify right side
    14,538.20x = 209,226,998.94
  5. Step 5: Solve for x
    x = 209,226,998.94/14,538.20
  6. Step 6: Final answer
    x = 14,391.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.