Home / 20,062.16-30,094.92-6,909.20

Finding the Fourth Proportional to 20,062.16, 30,094.92 and 6,909.20

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Solution

The fourth proportional to 20,062.16, 30,094.92 and 6,909.20 is: 10,364.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,062.16 : 30,094.92 = 6,909.20 : x
  2. Step 2: Convert to fraction form
    20,062.16/30,094.92 = 6,909.20/x
  3. Step 3: Cross multiply
    20,062.16x = 30,094.92 × 6,909.20
  4. Step 4: Simplify right side
    20,062.16x = 207,931,821.26
  5. Step 5: Solve for x
    x = 207,931,821.26/20,062.16
  6. Step 6: Final answer
    x = 10,364.38

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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.