Home / 25,171.35-34,734.08-13,840.66

Finding the Fourth Proportional to 25,171.35, 34,734.08 and 13,840.66

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Solution

The fourth proportional to 25,171.35, 34,734.08 and 13,840.66 is: 19,098.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,171.35 : 34,734.08 = 13,840.66 : x
  2. Step 2: Convert to fraction form
    25,171.35/34,734.08 = 13,840.66/x
  3. Step 3: Cross multiply
    25,171.35x = 34,734.08 × 13,840.66
  4. Step 4: Simplify right side
    25,171.35x = 480,742,591.69
  5. Step 5: Solve for x
    x = 480,742,591.69/25,171.35
  6. Step 6: Final answer
    x = 19,098.80

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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.