Home / 15,388.91-23,083.85-4,859.03

Finding the Fourth Proportional to 15,388.91, 23,083.85 and 4,859.03

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Solution

The fourth proportional to 15,388.91, 23,083.85 and 4,859.03 is: 7,288.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,388.91 : 23,083.85 = 4,859.03 : x
  2. Step 2: Convert to fraction form
    15,388.91/23,083.85 = 4,859.03/x
  3. Step 3: Cross multiply
    15,388.91x = 23,083.85 × 4,859.03
  4. Step 4: Simplify right side
    15,388.91x = 112,165,119.67
  5. Step 5: Solve for x
    x = 112,165,119.67/15,388.91
  6. Step 6: Final answer
    x = 7,288.70

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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.