Home / 25,029.18-34,540.27-13,698.70

Finding the Fourth Proportional to 25,029.18, 34,540.27 and 13,698.70

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Solution

The fourth proportional to 25,029.18, 34,540.27 and 13,698.70 is: 18,904.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,029.18 : 34,540.27 = 13,698.70 : x
  2. Step 2: Convert to fraction form
    25,029.18/34,540.27 = 13,698.70/x
  3. Step 3: Cross multiply
    25,029.18x = 34,540.27 × 13,698.70
  4. Step 4: Simplify right side
    25,029.18x = 473,156,796.65
  5. Step 5: Solve for x
    x = 473,156,796.65/25,029.18
  6. Step 6: Final answer
    x = 18,904.21

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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.