Home / 38,724.88-58,080.61-10,638.24

Finding the Fourth Proportional to 38,724.88, 58,080.61 and 10,638.24

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Solution

The fourth proportional to 38,724.88, 58,080.61 and 10,638.24 is: 15,955.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,724.88 : 58,080.61 = 10,638.24 : x
  2. Step 2: Convert to fraction form
    38,724.88/58,080.61 = 10,638.24/x
  3. Step 3: Cross multiply
    38,724.88x = 58,080.61 × 10,638.24
  4. Step 4: Simplify right side
    38,724.88x = 617,875,468.53
  5. Step 5: Solve for x
    x = 617,875,468.53/38,724.88
  6. Step 6: Final answer
    x = 15,955.52

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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.