Home / 29,311.04-43,948.82-11,520.40

Finding the Fourth Proportional to 29,311.04, 43,948.82 and 11,520.40

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Solution

The fourth proportional to 29,311.04, 43,948.82 and 11,520.40 is: 17,273.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,311.04 : 43,948.82 = 11,520.40 : x
  2. Step 2: Convert to fraction form
    29,311.04/43,948.82 = 11,520.40/x
  3. Step 3: Cross multiply
    29,311.04x = 43,948.82 × 11,520.40
  4. Step 4: Simplify right side
    29,311.04x = 506,307,985.93
  5. Step 5: Solve for x
    x = 506,307,985.93/29,311.04
  6. Step 6: Final answer
    x = 17,273.63

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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.