Home / 15,479.71-23,227.76-6,720.77

Finding the Fourth Proportional to 15,479.71, 23,227.76 and 6,720.77

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Solution

The fourth proportional to 15,479.71, 23,227.76 and 6,720.77 is: 10,084.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,479.71 : 23,227.76 = 6,720.77 : x
  2. Step 2: Convert to fraction form
    15,479.71/23,227.76 = 6,720.77/x
  3. Step 3: Cross multiply
    15,479.71x = 23,227.76 × 6,720.77
  4. Step 4: Simplify right side
    15,479.71x = 156,108,507.45
  5. Step 5: Solve for x
    x = 156,108,507.45/15,479.71
  6. Step 6: Final answer
    x = 10,084.72

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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.