Home / 26,281.92-39,422.88-10,689.12

Finding the Fourth Proportional to 26,281.92, 39,422.88 and 10,689.12

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Solution

The fourth proportional to 26,281.92, 39,422.88 and 10,689.12 is: 16,033.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,281.92 : 39,422.88 = 10,689.12 : x
  2. Step 2: Convert to fraction form
    26,281.92/39,422.88 = 10,689.12/x
  3. Step 3: Cross multiply
    26,281.92x = 39,422.88 × 10,689.12
  4. Step 4: Simplify right side
    26,281.92x = 421,395,895.07
  5. Step 5: Solve for x
    x = 421,395,895.07/26,281.92
  6. Step 6: Final answer
    x = 16,033.68

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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.