Home / 25,202.18-34,778.18-13,870.64

Finding the Fourth Proportional to 25,202.18, 34,778.18 and 13,870.64

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Solution

The fourth proportional to 25,202.18, 34,778.18 and 13,870.64 is: 19,141.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,202.18 : 34,778.18 = 13,870.64 : x
  2. Step 2: Convert to fraction form
    25,202.18/34,778.18 = 13,870.64/x
  3. Step 3: Cross multiply
    25,202.18x = 34,778.18 × 13,870.64
  4. Step 4: Simplify right side
    25,202.18x = 482,395,614.64
  5. Step 5: Solve for x
    x = 482,395,614.64/25,202.18
  6. Step 6: Final answer
    x = 19,141.03

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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.