Home / 25,417.72-35,077.35-15,344.20

Finding the Fourth Proportional to 25,417.72, 35,077.35 and 15,344.20

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Solution

The fourth proportional to 25,417.72, 35,077.35 and 15,344.20 is: 21,175.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,417.72 : 35,077.35 = 15,344.20 : x
  2. Step 2: Convert to fraction form
    25,417.72/35,077.35 = 15,344.20/x
  3. Step 3: Cross multiply
    25,417.72x = 35,077.35 × 15,344.20
  4. Step 4: Simplify right side
    25,417.72x = 538,233,873.87
  5. Step 5: Solve for x
    x = 538,233,873.87/25,417.72
  6. Step 6: Final answer
    x = 21,175.54

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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.