Home / 26,432.87-39,648.75-6,442.47

Finding the Fourth Proportional to 26,432.87, 39,648.75 and 6,442.47

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Solution

The fourth proportional to 26,432.87, 39,648.75 and 6,442.47 is: 9,663.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,432.87 : 39,648.75 = 6,442.47 : x
  2. Step 2: Convert to fraction form
    26,432.87/39,648.75 = 6,442.47/x
  3. Step 3: Cross multiply
    26,432.87x = 39,648.75 × 6,442.47
  4. Step 4: Simplify right side
    26,432.87x = 255,435,882.41
  5. Step 5: Solve for x
    x = 255,435,882.41/26,432.87
  6. Step 6: Final answer
    x = 9,663.57

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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.