Home / 20,068.29-30,104.87-9,672.75

Finding the Fourth Proportional to 20,068.29, 30,104.87 and 9,672.75

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Solution

The fourth proportional to 20,068.29, 30,104.87 and 9,672.75 is: 14,510.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,068.29 : 30,104.87 = 9,672.75 : x
  2. Step 2: Convert to fraction form
    20,068.29/30,104.87 = 9,672.75/x
  3. Step 3: Cross multiply
    20,068.29x = 30,104.87 × 9,672.75
  4. Step 4: Simplify right side
    20,068.29x = 291,196,832.93
  5. Step 5: Solve for x
    x = 291,196,832.93/20,068.29
  6. Step 6: Final answer
    x = 14,510.30

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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.