Home / 20,325.09-30,487.06-5,534.13

Finding the Fourth Proportional to 20,325.09, 30,487.06 and 5,534.13

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Solution

The fourth proportional to 20,325.09, 30,487.06 and 5,534.13 is: 8,301.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,325.09 : 30,487.06 = 5,534.13 : x
  2. Step 2: Convert to fraction form
    20,325.09/30,487.06 = 5,534.13/x
  3. Step 3: Cross multiply
    20,325.09x = 30,487.06 × 5,534.13
  4. Step 4: Simplify right side
    20,325.09x = 168,719,443.47
  5. Step 5: Solve for x
    x = 168,719,443.47/20,325.09
  6. Step 6: Final answer
    x = 8,301.04

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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.