Home / 25,832.16-35,635.68-15,219.36

Finding the Fourth Proportional to 25,832.16, 35,635.68 and 15,219.36

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Solution

The fourth proportional to 25,832.16, 35,635.68 and 15,219.36 is: 20,995.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,832.16 : 35,635.68 = 15,219.36 : x
  2. Step 2: Convert to fraction form
    25,832.16/35,635.68 = 15,219.36/x
  3. Step 3: Cross multiply
    25,832.16x = 35,635.68 × 15,219.36
  4. Step 4: Simplify right side
    25,832.16x = 542,352,242.76
  5. Step 5: Solve for x
    x = 542,352,242.76/25,832.16
  6. Step 6: Final answer
    x = 20,995.23

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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.