Home / 25,642.56-38,485.60-10,071.04

Finding the Fourth Proportional to 25,642.56, 38,485.60 and 10,071.04

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Solution

The fourth proportional to 25,642.56, 38,485.60 and 10,071.04 is: 15,115.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,642.56 : 38,485.60 = 10,071.04 : x
  2. Step 2: Convert to fraction form
    25,642.56/38,485.60 = 10,071.04/x
  3. Step 3: Cross multiply
    25,642.56x = 38,485.60 × 10,071.04
  4. Step 4: Simplify right side
    25,642.56x = 387,590,017.02
  5. Step 5: Solve for x
    x = 387,590,017.02/25,642.56
  6. Step 6: Final answer
    x = 15,115.11

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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.