Home / 25,347.12-38,020.68-10,546.80

Finding the Fourth Proportional to 25,347.12, 38,020.68 and 10,546.80

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Solution

The fourth proportional to 25,347.12, 38,020.68 and 10,546.80 is: 15,820.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,347.12 : 38,020.68 = 10,546.80 : x
  2. Step 2: Convert to fraction form
    25,347.12/38,020.68 = 10,546.80/x
  3. Step 3: Cross multiply
    25,347.12x = 38,020.68 × 10,546.80
  4. Step 4: Simplify right side
    25,347.12x = 400,996,507.82
  5. Step 5: Solve for x
    x = 400,996,507.82/25,347.12
  6. Step 6: Final answer
    x = 15,820.20

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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.