Home / 26,199.72-36,149.76-15,021.72

Finding the Fourth Proportional to 26,199.72, 36,149.76 and 15,021.72

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Solution

The fourth proportional to 26,199.72, 36,149.76 and 15,021.72 is: 20,726.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,199.72 : 36,149.76 = 15,021.72 : x
  2. Step 2: Convert to fraction form
    26,199.72/36,149.76 = 15,021.72/x
  3. Step 3: Cross multiply
    26,199.72x = 36,149.76 × 15,021.72
  4. Step 4: Simplify right side
    26,199.72x = 543,031,572.79
  5. Step 5: Solve for x
    x = 543,031,572.79/26,199.72
  6. Step 6: Final answer
    x = 20,726.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.