Home / 27,148.06-40,712.10-9,374.21

Finding the Fourth Proportional to 27,148.06, 40,712.10 and 9,374.21

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Solution

The fourth proportional to 27,148.06, 40,712.10 and 9,374.21 is: 14,057.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,148.06 : 40,712.10 = 9,374.21 : x
  2. Step 2: Convert to fraction form
    27,148.06/40,712.10 = 9,374.21/x
  3. Step 3: Cross multiply
    27,148.06x = 40,712.10 × 9,374.21
  4. Step 4: Simplify right side
    27,148.06x = 381,643,774.94
  5. Step 5: Solve for x
    x = 381,643,774.94/27,148.06
  6. Step 6: Final answer
    x = 14,057.87

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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.