Home / 25,429.76-35,077.44-15,982.08

Finding the Fourth Proportional to 25,429.76, 35,077.44 and 15,982.08

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Solution

The fourth proportional to 25,429.76, 35,077.44 and 15,982.08 is: 22,045.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,429.76 : 35,077.44 = 15,982.08 : x
  2. Step 2: Convert to fraction form
    25,429.76/35,077.44 = 15,982.08/x
  3. Step 3: Cross multiply
    25,429.76x = 35,077.44 × 15,982.08
  4. Step 4: Simplify right side
    25,429.76x = 560,610,452.28
  5. Step 5: Solve for x
    x = 560,610,452.28/25,429.76
  6. Step 6: Final answer
    x = 22,045.45

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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.