Home / 26,820.61-40,234.58-15,581.23

Finding the Fourth Proportional to 26,820.61, 40,234.58 and 15,581.23

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Solution

The fourth proportional to 26,820.61, 40,234.58 and 15,581.23 is: 23,373.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,820.61 : 40,234.58 = 15,581.23 : x
  2. Step 2: Convert to fraction form
    26,820.61/40,234.58 = 15,581.23/x
  3. Step 3: Cross multiply
    26,820.61x = 40,234.58 × 15,581.23
  4. Step 4: Simplify right side
    26,820.61x = 626,904,244.93
  5. Step 5: Solve for x
    x = 626,904,244.93/26,820.61
  6. Step 6: Final answer
    x = 23,373.97

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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.