Home / 34,245.12-47,254.56-19,134.72

Finding the Fourth Proportional to 34,245.12, 47,254.56 and 19,134.72

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Solution

The fourth proportional to 34,245.12, 47,254.56 and 19,134.72 is: 26,403.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,245.12 : 47,254.56 = 19,134.72 : x
  2. Step 2: Convert to fraction form
    34,245.12/47,254.56 = 19,134.72/x
  3. Step 3: Cross multiply
    34,245.12x = 47,254.56 × 19,134.72
  4. Step 4: Simplify right side
    34,245.12x = 904,202,774.32
  5. Step 5: Solve for x
    x = 904,202,774.32/34,245.12
  6. Step 6: Final answer
    x = 26,403.84

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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.