Home / 34,686.52-47,867.48-18,771.12

Finding the Fourth Proportional to 34,686.52, 47,867.48 and 18,771.12

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Solution

The fourth proportional to 34,686.52, 47,867.48 and 18,771.12 is: 25,904.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,686.52 : 47,867.48 = 18,771.12 : x
  2. Step 2: Convert to fraction form
    34,686.52/47,867.48 = 18,771.12/x
  3. Step 3: Cross multiply
    34,686.52x = 47,867.48 × 18,771.12
  4. Step 4: Simplify right side
    34,686.52x = 898,526,211.18
  5. Step 5: Solve for x
    x = 898,526,211.18/34,686.52
  6. Step 6: Final answer
    x = 25,904.19

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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.