Home / 23,291.30-32,140.37-13,219.95

Finding the Fourth Proportional to 23,291.30, 32,140.37 and 13,219.95

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Solution

The fourth proportional to 23,291.30, 32,140.37 and 13,219.95 is: 18,242.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,291.30 : 32,140.37 = 13,219.95 : x
  2. Step 2: Convert to fraction form
    23,291.30/32,140.37 = 13,219.95/x
  3. Step 3: Cross multiply
    23,291.30x = 32,140.37 × 13,219.95
  4. Step 4: Simplify right side
    23,291.30x = 424,894,084.38
  5. Step 5: Solve for x
    x = 424,894,084.38/23,291.30
  6. Step 6: Final answer
    x = 18,242.61

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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.