Home / 13,443.84-20,159.40-4,677.66

Finding the Fourth Proportional to 13,443.84, 20,159.40 and 4,677.66

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Solution

The fourth proportional to 13,443.84, 20,159.40 and 4,677.66 is: 7,014.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,443.84 : 20,159.40 = 4,677.66 : x
  2. Step 2: Convert to fraction form
    13,443.84/20,159.40 = 4,677.66/x
  3. Step 3: Cross multiply
    13,443.84x = 20,159.40 × 4,677.66
  4. Step 4: Simplify right side
    13,443.84x = 94,298,819.00
  5. Step 5: Solve for x
    x = 94,298,819.00/13,443.84
  6. Step 6: Final answer
    x = 7,014.28

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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.