Home / 26,107.49-39,158.88-7,387.10

Finding the Fourth Proportional to 26,107.49, 39,158.88 and 7,387.10

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Solution

The fourth proportional to 26,107.49, 39,158.88 and 7,387.10 is: 11,079.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,107.49 : 39,158.88 = 7,387.10 : x
  2. Step 2: Convert to fraction form
    26,107.49/39,158.88 = 7,387.10/x
  3. Step 3: Cross multiply
    26,107.49x = 39,158.88 × 7,387.10
  4. Step 4: Simplify right side
    26,107.49x = 289,270,366.65
  5. Step 5: Solve for x
    x = 289,270,366.65/26,107.49
  6. Step 6: Final answer
    x = 11,079.98

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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.