Home / 25,620.60-38,428.02-6,902.02

Finding the Fourth Proportional to 25,620.60, 38,428.02 and 6,902.02

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Solution

The fourth proportional to 25,620.60, 38,428.02 and 6,902.02 is: 10,352.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,620.60 : 38,428.02 = 6,902.02 : x
  2. Step 2: Convert to fraction form
    25,620.60/38,428.02 = 6,902.02/x
  3. Step 3: Cross multiply
    25,620.60x = 38,428.02 × 6,902.02
  4. Step 4: Simplify right side
    25,620.60x = 265,230,962.60
  5. Step 5: Solve for x
    x = 265,230,962.60/25,620.60
  6. Step 6: Final answer
    x = 10,352.25

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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.