Home / 33,132.28-45,724.14-18,985.16

Finding the Fourth Proportional to 33,132.28, 45,724.14 and 18,985.16

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Solution

The fourth proportional to 33,132.28, 45,724.14 and 18,985.16 is: 26,200.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,132.28 : 45,724.14 = 18,985.16 : x
  2. Step 2: Convert to fraction form
    33,132.28/45,724.14 = 18,985.16/x
  3. Step 3: Cross multiply
    33,132.28x = 45,724.14 × 18,985.16
  4. Step 4: Simplify right side
    33,132.28x = 868,080,113.76
  5. Step 5: Solve for x
    x = 868,080,113.76/33,132.28
  6. Step 6: Final answer
    x = 26,200.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.