Home / 15,108.40-22,657.21-5,745.93

Finding the Fourth Proportional to 15,108.40, 22,657.21 and 5,745.93

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Solution

The fourth proportional to 15,108.40, 22,657.21 and 5,745.93 is: 8,616.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,108.40 : 22,657.21 = 5,745.93 : x
  2. Step 2: Convert to fraction form
    15,108.40/22,657.21 = 5,745.93/x
  3. Step 3: Cross multiply
    15,108.40x = 22,657.21 × 5,745.93
  4. Step 4: Simplify right side
    15,108.40x = 130,186,742.66
  5. Step 5: Solve for x
    x = 130,186,742.66/15,108.40
  6. Step 6: Final answer
    x = 8,616.85

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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.