Home / 26,586.24-36,686.88-15,408.96

Finding the Fourth Proportional to 26,586.24, 36,686.88 and 15,408.96

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Solution

The fourth proportional to 26,586.24, 36,686.88 and 15,408.96 is: 21,263.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,586.24 : 36,686.88 = 15,408.96 : x
  2. Step 2: Convert to fraction form
    26,586.24/36,686.88 = 15,408.96/x
  3. Step 3: Cross multiply
    26,586.24x = 36,686.88 × 15,408.96
  4. Step 4: Simplify right side
    26,586.24x = 565,306,666.44
  5. Step 5: Solve for x
    x = 565,306,666.44/26,586.24
  6. Step 6: Final answer
    x = 21,263.13

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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.