Home / 15,188.24-22,780.20-6,877.64

Finding the Fourth Proportional to 15,188.24, 22,780.20 and 6,877.64

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Solution

The fourth proportional to 15,188.24, 22,780.20 and 6,877.64 is: 10,315.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,188.24 : 22,780.20 = 6,877.64 : x
  2. Step 2: Convert to fraction form
    15,188.24/22,780.20 = 6,877.64/x
  3. Step 3: Cross multiply
    15,188.24x = 22,780.20 × 6,877.64
  4. Step 4: Simplify right side
    15,188.24x = 156,674,014.73
  5. Step 5: Solve for x
    x = 156,674,014.73/15,188.24
  6. Step 6: Final answer
    x = 10,315.48

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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.