Home / 18,246.40-25,180.02-9,862.90

Finding the Fourth Proportional to 18,246.40, 25,180.02 and 9,862.90

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Solution

The fourth proportional to 18,246.40, 25,180.02 and 9,862.90 is: 13,610.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,246.40 : 25,180.02 = 9,862.90 : x
  2. Step 2: Convert to fraction form
    18,246.40/25,180.02 = 9,862.90/x
  3. Step 3: Cross multiply
    18,246.40x = 25,180.02 × 9,862.90
  4. Step 4: Simplify right side
    18,246.40x = 248,348,003.52
  5. Step 5: Solve for x
    x = 248,348,003.52/18,246.40
  6. Step 6: Final answer
    x = 13,610.80

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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.