Home / 19,630.13-29,454.64-9,770.27

Finding the Fourth Proportional to 19,630.13, 29,454.64 and 9,770.27

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Solution

The fourth proportional to 19,630.13, 29,454.64 and 9,770.27 is: 14,660.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,630.13 : 29,454.64 = 9,770.27 : x
  2. Step 2: Convert to fraction form
    19,630.13/29,454.64 = 9,770.27/x
  3. Step 3: Cross multiply
    19,630.13x = 29,454.64 × 9,770.27
  4. Step 4: Simplify right side
    19,630.13x = 287,779,613.85
  5. Step 5: Solve for x
    x = 287,779,613.85/19,630.13
  6. Step 6: Final answer
    x = 14,660.10

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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.