Home / 13,442.12-20,151.63-4,675.88

Finding the Fourth Proportional to 13,442.12, 20,151.63 and 4,675.88

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Solution

The fourth proportional to 13,442.12, 20,151.63 and 4,675.88 is: 7,009.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,442.12 : 20,151.63 = 4,675.88 : x
  2. Step 2: Convert to fraction form
    13,442.12/20,151.63 = 4,675.88/x
  3. Step 3: Cross multiply
    13,442.12x = 20,151.63 × 4,675.88
  4. Step 4: Simplify right side
    13,442.12x = 94,226,603.68
  5. Step 5: Solve for x
    x = 94,226,603.68/13,442.12
  6. Step 6: Final answer
    x = 7,009.80

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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.