Home / 25,966.65-38,984.57-17,561.39

Finding the Fourth Proportional to 25,966.65, 38,984.57 and 17,561.39

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Solution

The fourth proportional to 25,966.65, 38,984.57 and 17,561.39 is: 26,365.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,966.65 : 38,984.57 = 17,561.39 : x
  2. Step 2: Convert to fraction form
    25,966.65/38,984.57 = 17,561.39/x
  3. Step 3: Cross multiply
    25,966.65x = 38,984.57 × 17,561.39
  4. Step 4: Simplify right side
    25,966.65x = 684,623,149.95
  5. Step 5: Solve for x
    x = 684,623,149.95/25,966.65
  6. Step 6: Final answer
    x = 26,365.48

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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.