Home / 15,385.61-23,081.49-4,857.26

Finding the Fourth Proportional to 15,385.61, 23,081.49 and 4,857.26

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Solution

The fourth proportional to 15,385.61, 23,081.49 and 4,857.26 is: 7,286.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,385.61 : 23,081.49 = 4,857.26 : x
  2. Step 2: Convert to fraction form
    15,385.61/23,081.49 = 4,857.26/x
  3. Step 3: Cross multiply
    15,385.61x = 23,081.49 × 4,857.26
  4. Step 4: Simplify right side
    15,385.61x = 112,112,682.71
  5. Step 5: Solve for x
    x = 112,112,682.71/15,385.61
  6. Step 6: Final answer
    x = 7,286.85

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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.