Home / 13,567.92-18,724.30-7,901.75

Finding the Fourth Proportional to 13,567.92, 18,724.30 and 7,901.75

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Solution

The fourth proportional to 13,567.92, 18,724.30 and 7,901.75 is: 10,904.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,567.92 : 18,724.30 = 7,901.75 : x
  2. Step 2: Convert to fraction form
    13,567.92/18,724.30 = 7,901.75/x
  3. Step 3: Cross multiply
    13,567.92x = 18,724.30 × 7,901.75
  4. Step 4: Simplify right side
    13,567.92x = 147,954,737.53
  5. Step 5: Solve for x
    x = 147,954,737.53/13,567.92
  6. Step 6: Final answer
    x = 10,904.75

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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.