Home / 15,368.40-23,049.45-4,272.30

Finding the Fourth Proportional to 15,368.40, 23,049.45 and 4,272.30

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Solution

The fourth proportional to 15,368.40, 23,049.45 and 4,272.30 is: 6,407.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,368.40 : 23,049.45 = 4,272.30 : x
  2. Step 2: Convert to fraction form
    15,368.40/23,049.45 = 4,272.30/x
  3. Step 3: Cross multiply
    15,368.40x = 23,049.45 × 4,272.30
  4. Step 4: Simplify right side
    15,368.40x = 98,474,165.24
  5. Step 5: Solve for x
    x = 98,474,165.24/15,368.40
  6. Step 6: Final answer
    x = 6,407.57

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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.