Home / 25,583.20-38,432.40-17,807.20

Finding the Fourth Proportional to 25,583.20, 38,432.40 and 17,807.20

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Solution

The fourth proportional to 25,583.20, 38,432.40 and 17,807.20 is: 26,750.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,583.20 : 38,432.40 = 17,807.20 : x
  2. Step 2: Convert to fraction form
    25,583.20/38,432.40 = 17,807.20/x
  3. Step 3: Cross multiply
    25,583.20x = 38,432.40 × 17,807.20
  4. Step 4: Simplify right side
    25,583.20x = 684,373,433.28
  5. Step 5: Solve for x
    x = 684,373,433.28/25,583.20
  6. Step 6: Final answer
    x = 26,750.89

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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.