Home / 18,748.60-28,126.28-6,267.40

Finding the Fourth Proportional to 18,748.60, 28,126.28 and 6,267.40

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Solution

The fourth proportional to 18,748.60, 28,126.28 and 6,267.40 is: 9,402.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,748.60 : 28,126.28 = 6,267.40 : x
  2. Step 2: Convert to fraction form
    18,748.60/28,126.28 = 6,267.40/x
  3. Step 3: Cross multiply
    18,748.60x = 28,126.28 × 6,267.40
  4. Step 4: Simplify right side
    18,748.60x = 176,278,647.27
  5. Step 5: Solve for x
    x = 176,278,647.27/18,748.60
  6. Step 6: Final answer
    x = 9,402.23

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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.