Home / 23,781.12-35,671.60-7,141.10

Finding the Fourth Proportional to 23,781.12, 35,671.60 and 7,141.10

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Solution

The fourth proportional to 23,781.12, 35,671.60 and 7,141.10 is: 10,711.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,781.12 : 35,671.60 = 7,141.10 : x
  2. Step 2: Convert to fraction form
    23,781.12/35,671.60 = 7,141.10/x
  3. Step 3: Cross multiply
    23,781.12x = 35,671.60 × 7,141.10
  4. Step 4: Simplify right side
    23,781.12x = 254,734,462.76
  5. Step 5: Solve for x
    x = 254,734,462.76/23,781.12
  6. Step 6: Final answer
    x = 10,711.63

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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.