Home / 15,188.14-22,782.18-8,158.48

Finding the Fourth Proportional to 15,188.14, 22,782.18 and 8,158.48

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Solution

The fourth proportional to 15,188.14, 22,782.18 and 8,158.48 is: 12,237.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,188.14 : 22,782.18 = 8,158.48 : x
  2. Step 2: Convert to fraction form
    15,188.14/22,782.18 = 8,158.48/x
  3. Step 3: Cross multiply
    15,188.14x = 22,782.18 × 8,158.48
  4. Step 4: Simplify right side
    15,188.14x = 185,867,959.89
  5. Step 5: Solve for x
    x = 185,867,959.89/15,188.14
  6. Step 6: Final answer
    x = 12,237.70

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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.