Home / 15,516.75-23,276.49-4,423.20

Finding the Fourth Proportional to 15,516.75, 23,276.49 and 4,423.20

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Solution

The fourth proportional to 15,516.75, 23,276.49 and 4,423.20 is: 6,635.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,516.75 : 23,276.49 = 4,423.20 : x
  2. Step 2: Convert to fraction form
    15,516.75/23,276.49 = 4,423.20/x
  3. Step 3: Cross multiply
    15,516.75x = 23,276.49 × 4,423.20
  4. Step 4: Simplify right side
    15,516.75x = 102,956,570.57
  5. Step 5: Solve for x
    x = 102,956,570.57/15,516.75
  6. Step 6: Final answer
    x = 6,635.19

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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.