Home / 13,585.52-20,377.29-3,724.02

Finding the Fourth Proportional to 13,585.52, 20,377.29 and 3,724.02

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Solution

The fourth proportional to 13,585.52, 20,377.29 and 3,724.02 is: 5,585.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,585.52 : 20,377.29 = 3,724.02 : x
  2. Step 2: Convert to fraction form
    13,585.52/20,377.29 = 3,724.02/x
  3. Step 3: Cross multiply
    13,585.52x = 20,377.29 × 3,724.02
  4. Step 4: Simplify right side
    13,585.52x = 75,885,435.51
  5. Step 5: Solve for x
    x = 75,885,435.51/13,585.52
  6. Step 6: Final answer
    x = 5,585.76

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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.