Home / 25,942.40-38,913.20-17,601.68

Finding the Fourth Proportional to 25,942.40, 38,913.20 and 17,601.68

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Solution

The fourth proportional to 25,942.40, 38,913.20 and 17,601.68 is: 26,402.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,942.40 : 38,913.20 = 17,601.68 : x
  2. Step 2: Convert to fraction form
    25,942.40/38,913.20 = 17,601.68/x
  3. Step 3: Cross multiply
    25,942.40x = 38,913.20 × 17,601.68
  4. Step 4: Simplify right side
    25,942.40x = 684,937,694.18
  5. Step 5: Solve for x
    x = 684,937,694.18/25,942.40
  6. Step 6: Final answer
    x = 26,402.25

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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.