Home / 25,164.47-34,726.87-13,834.68

Finding the Fourth Proportional to 25,164.47, 34,726.87 and 13,834.68

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Solution

The fourth proportional to 25,164.47, 34,726.87 and 13,834.68 is: 19,091.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,164.47 : 34,726.87 = 13,834.68 : x
  2. Step 2: Convert to fraction form
    25,164.47/34,726.87 = 13,834.68/x
  3. Step 3: Cross multiply
    25,164.47x = 34,726.87 × 13,834.68
  4. Step 4: Simplify right side
    25,164.47x = 480,435,133.85
  5. Step 5: Solve for x
    x = 480,435,133.85/25,164.47
  6. Step 6: Final answer
    x = 19,091.80

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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.