Home / 25,699.44-38,530.47-17,358.78

Finding the Fourth Proportional to 25,699.44, 38,530.47 and 17,358.78

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Solution

The fourth proportional to 25,699.44, 38,530.47 and 17,358.78 is: 26,025.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,699.44 : 38,530.47 = 17,358.78 : x
  2. Step 2: Convert to fraction form
    25,699.44/38,530.47 = 17,358.78/x
  3. Step 3: Cross multiply
    25,699.44x = 38,530.47 × 17,358.78
  4. Step 4: Simplify right side
    25,699.44x = 668,841,952.03
  5. Step 5: Solve for x
    x = 668,841,952.03/25,699.44
  6. Step 6: Final answer
    x = 26,025.55

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1.5x scale

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.