Home / 20,592.48-30,875.22-8,114.16

Finding the Fourth Proportional to 20,592.48, 30,875.22 and 8,114.16

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Solution

The fourth proportional to 20,592.48, 30,875.22 and 8,114.16 is: 12,165.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,592.48 : 30,875.22 = 8,114.16 : x
  2. Step 2: Convert to fraction form
    20,592.48/30,875.22 = 8,114.16/x
  3. Step 3: Cross multiply
    20,592.48x = 30,875.22 × 8,114.16
  4. Step 4: Simplify right side
    20,592.48x = 250,526,475.12
  5. Step 5: Solve for x
    x = 250,526,475.12/20,592.48
  6. Step 6: Final answer
    x = 12,165.92

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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.