Home / 13,352.76-20,013.18-6,227.40

Finding the Fourth Proportional to 13,352.76, 20,013.18 and 6,227.40

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Solution

The fourth proportional to 13,352.76, 20,013.18 and 6,227.40 is: 9,333.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,352.76 : 20,013.18 = 6,227.40 : x
  2. Step 2: Convert to fraction form
    13,352.76/20,013.18 = 6,227.40/x
  3. Step 3: Cross multiply
    13,352.76x = 20,013.18 × 6,227.40
  4. Step 4: Simplify right side
    13,352.76x = 124,630,077.13
  5. Step 5: Solve for x
    x = 124,630,077.13/13,352.76
  6. Step 6: Final answer
    x = 9,333.66

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1.5x scale

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.