Home / 15,020.55-22,516.10-8,360.23

Finding the Fourth Proportional to 15,020.55, 22,516.10 and 8,360.23

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Solution

The fourth proportional to 15,020.55, 22,516.10 and 8,360.23 is: 12,532.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,020.55 : 22,516.10 = 8,360.23 : x
  2. Step 2: Convert to fraction form
    15,020.55/22,516.10 = 8,360.23/x
  3. Step 3: Cross multiply
    15,020.55x = 22,516.10 × 8,360.23
  4. Step 4: Simplify right side
    15,020.55x = 188,239,662.12
  5. Step 5: Solve for x
    x = 188,239,662.12/15,020.55
  6. Step 6: Final answer
    x = 12,532.15

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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.