Home / 25,686.68-38,511.36-17,346.02

Finding the Fourth Proportional to 25,686.68, 38,511.36 and 17,346.02

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Solution

The fourth proportional to 25,686.68, 38,511.36 and 17,346.02 is: 26,006.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,686.68 : 38,511.36 = 17,346.02 : x
  2. Step 2: Convert to fraction form
    25,686.68/38,511.36 = 17,346.02/x
  3. Step 3: Cross multiply
    25,686.68x = 38,511.36 × 17,346.02
  4. Step 4: Simplify right side
    25,686.68x = 668,018,628.23
  5. Step 5: Solve for x
    x = 668,018,628.23/25,686.68
  6. Step 6: Final answer
    x = 26,006.43

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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.