Home / 18,285.03-25,232.02-10,731.66

Finding the Fourth Proportional to 18,285.03, 25,232.02 and 10,731.66

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Solution

The fourth proportional to 18,285.03, 25,232.02 and 10,731.66 is: 14,808.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,285.03 : 25,232.02 = 10,731.66 : x
  2. Step 2: Convert to fraction form
    18,285.03/25,232.02 = 10,731.66/x
  3. Step 3: Cross multiply
    18,285.03x = 25,232.02 × 10,731.66
  4. Step 4: Simplify right side
    18,285.03x = 270,781,459.75
  5. Step 5: Solve for x
    x = 270,781,459.75/18,285.03
  6. Step 6: Final answer
    x = 14,808.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.