Home / 15,191.24-22,789.29-6,870.92

Finding the Fourth Proportional to 15,191.24, 22,789.29 and 6,870.92

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Solution

The fourth proportional to 15,191.24, 22,789.29 and 6,870.92 is: 10,307.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,191.24 : 22,789.29 = 6,870.92 : x
  2. Step 2: Convert to fraction form
    15,191.24/22,789.29 = 6,870.92/x
  3. Step 3: Cross multiply
    15,191.24x = 22,789.29 × 6,870.92
  4. Step 4: Simplify right side
    15,191.24x = 156,583,274.50
  5. Step 5: Solve for x
    x = 156,583,274.50/15,191.24
  6. Step 6: Final answer
    x = 10,307.47

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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.