Home / 26,342.85-36,353.85-15,738.60

Finding the Fourth Proportional to 26,342.85, 36,353.85 and 15,738.60

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Solution

The fourth proportional to 26,342.85, 36,353.85 and 15,738.60 is: 21,719.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,342.85 : 36,353.85 = 15,738.60 : x
  2. Step 2: Convert to fraction form
    26,342.85/36,353.85 = 15,738.60/x
  3. Step 3: Cross multiply
    26,342.85x = 36,353.85 × 15,738.60
  4. Step 4: Simplify right side
    26,342.85x = 572,158,703.61
  5. Step 5: Solve for x
    x = 572,158,703.61/26,342.85
  6. Step 6: Final answer
    x = 21,719.70

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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.