Home / 25,901.60-38,833.20-11,098.40

Finding the Fourth Proportional to 25,901.60, 38,833.20 and 11,098.40

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Solution

The fourth proportional to 25,901.60, 38,833.20 and 11,098.40 is: 16,639.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,901.60 : 38,833.20 = 11,098.40 : x
  2. Step 2: Convert to fraction form
    25,901.60/38,833.20 = 11,098.40/x
  3. Step 3: Cross multiply
    25,901.60x = 38,833.20 × 11,098.40
  4. Step 4: Simplify right side
    25,901.60x = 430,986,386.88
  5. Step 5: Solve for x
    x = 430,986,386.88/25,901.60
  6. Step 6: Final answer
    x = 16,639.37

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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.