Home / 25,869.16-38,812.38-10,282.60

Finding the Fourth Proportional to 25,869.16, 38,812.38 and 10,282.60

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Solution

The fourth proportional to 25,869.16, 38,812.38 and 10,282.60 is: 15,427.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,869.16 : 38,812.38 = 10,282.60 : x
  2. Step 2: Convert to fraction form
    25,869.16/38,812.38 = 10,282.60/x
  3. Step 3: Cross multiply
    25,869.16x = 38,812.38 × 10,282.60
  4. Step 4: Simplify right side
    25,869.16x = 399,092,178.59
  5. Step 5: Solve for x
    x = 399,092,178.59/25,869.16
  6. Step 6: Final answer
    x = 15,427.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.