Home / 21,589.05-32,342.03-13,244.70

Finding the Fourth Proportional to 21,589.05, 32,342.03 and 13,244.70

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Solution

The fourth proportional to 21,589.05, 32,342.03 and 13,244.70 is: 19,841.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,589.05 : 32,342.03 = 13,244.70 : x
  2. Step 2: Convert to fraction form
    21,589.05/32,342.03 = 13,244.70/x
  3. Step 3: Cross multiply
    21,589.05x = 32,342.03 × 13,244.70
  4. Step 4: Simplify right side
    21,589.05x = 428,360,484.74
  5. Step 5: Solve for x
    x = 428,360,484.74/21,589.05
  6. Step 6: Final answer
    x = 19,841.56

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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.