Home / 25,828.56-35,637.60-15,219.18

Finding the Fourth Proportional to 25,828.56, 35,637.60 and 15,219.18

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Solution

The fourth proportional to 25,828.56, 35,637.60 and 15,219.18 is: 20,999.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,828.56 : 35,637.60 = 15,219.18 : x
  2. Step 2: Convert to fraction form
    25,828.56/35,637.60 = 15,219.18/x
  3. Step 3: Cross multiply
    25,828.56x = 35,637.60 × 15,219.18
  4. Step 4: Simplify right side
    25,828.56x = 542,375,049.17
  5. Step 5: Solve for x
    x = 542,375,049.17/25,828.56
  6. Step 6: Final answer
    x = 20,999.04

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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.