Home / 13,641.24-20,463.10-4,876.20

Finding the Fourth Proportional to 13,641.24, 20,463.10 and 4,876.20

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Solution

The fourth proportional to 13,641.24, 20,463.10 and 4,876.20 is: 7,314.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,641.24 : 20,463.10 = 4,876.20 : x
  2. Step 2: Convert to fraction form
    13,641.24/20,463.10 = 4,876.20/x
  3. Step 3: Cross multiply
    13,641.24x = 20,463.10 × 4,876.20
  4. Step 4: Simplify right side
    13,641.24x = 99,782,168.22
  5. Step 5: Solve for x
    x = 99,782,168.22/13,641.24
  6. Step 6: Final answer
    x = 7,314.74

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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.