Home / 34,655.88-47,825.11-18,740.33

Finding the Fourth Proportional to 34,655.88, 47,825.11 and 18,740.33

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Solution

The fourth proportional to 34,655.88, 47,825.11 and 18,740.33 is: 25,861.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,655.88 : 47,825.11 = 18,740.33 : x
  2. Step 2: Convert to fraction form
    34,655.88/47,825.11 = 18,740.33/x
  3. Step 3: Cross multiply
    34,655.88x = 47,825.11 × 18,740.33
  4. Step 4: Simplify right side
    34,655.88x = 896,258,010.86
  5. Step 5: Solve for x
    x = 896,258,010.86/34,655.88
  6. Step 6: Final answer
    x = 25,861.65

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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.