Home / 15,325.12-22,987.70-4,795.20

Finding the Fourth Proportional to 15,325.12, 22,987.70 and 4,795.20

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Solution

The fourth proportional to 15,325.12, 22,987.70 and 4,795.20 is: 7,192.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,325.12 : 22,987.70 = 4,795.20 : x
  2. Step 2: Convert to fraction form
    15,325.12/22,987.70 = 4,795.20/x
  3. Step 3: Cross multiply
    15,325.12x = 22,987.70 × 4,795.20
  4. Step 4: Simplify right side
    15,325.12x = 110,230,619.04
  5. Step 5: Solve for x
    x = 110,230,619.04/15,325.12
  6. Step 6: Final answer
    x = 7,192.81

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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.