Home / 25,187.42-34,764.29-19,725.66

Finding the Fourth Proportional to 25,187.42, 34,764.29 and 19,725.66

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Solution

The fourth proportional to 25,187.42, 34,764.29 and 19,725.66 is: 27,225.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,187.42 : 34,764.29 = 19,725.66 : x
  2. Step 2: Convert to fraction form
    25,187.42/34,764.29 = 19,725.66/x
  3. Step 3: Cross multiply
    25,187.42x = 34,764.29 × 19,725.66
  4. Step 4: Simplify right side
    25,187.42x = 685,748,540.02
  5. Step 5: Solve for x
    x = 685,748,540.02/25,187.42
  6. Step 6: Final answer
    x = 27,225.83

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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.