Home / 22,779.20-34,156.65-9,616.70

Finding the Fourth Proportional to 22,779.20, 34,156.65 and 9,616.70

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Solution

The fourth proportional to 22,779.20, 34,156.65 and 9,616.70 is: 14,419.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,779.20 : 34,156.65 = 9,616.70 : x
  2. Step 2: Convert to fraction form
    22,779.20/34,156.65 = 9,616.70/x
  3. Step 3: Cross multiply
    22,779.20x = 34,156.65 × 9,616.70
  4. Step 4: Simplify right side
    22,779.20x = 328,474,256.06
  5. Step 5: Solve for x
    x = 328,474,256.06/22,779.20
  6. Step 6: Final answer
    x = 14,419.92

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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.