Home / 15,862.98-23,750.19-12,180.18

Finding the Fourth Proportional to 15,862.98, 23,750.19 and 12,180.18

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Solution

The fourth proportional to 15,862.98, 23,750.19 and 12,180.18 is: 18,236.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,862.98 : 23,750.19 = 12,180.18 : x
  2. Step 2: Convert to fraction form
    15,862.98/23,750.19 = 12,180.18/x
  3. Step 3: Cross multiply
    15,862.98x = 23,750.19 × 12,180.18
  4. Step 4: Simplify right side
    15,862.98x = 289,281,589.23
  5. Step 5: Solve for x
    x = 289,281,589.23/15,862.98
  6. Step 6: Final answer
    x = 18,236.27

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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.