Home / 25,190.12-34,770.34-15,752.68

Finding the Fourth Proportional to 25,190.12, 34,770.34 and 15,752.68

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Solution

The fourth proportional to 25,190.12, 34,770.34 and 15,752.68 is: 21,743.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,190.12 : 34,770.34 = 15,752.68 : x
  2. Step 2: Convert to fraction form
    25,190.12/34,770.34 = 15,752.68/x
  3. Step 3: Cross multiply
    25,190.12x = 34,770.34 × 15,752.68
  4. Step 4: Simplify right side
    25,190.12x = 547,726,039.51
  5. Step 5: Solve for x
    x = 547,726,039.51/25,190.12
  6. Step 6: Final answer
    x = 21,743.69

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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.