Home / 13,296.25-18,348.75-7,246.48

Finding the Fourth Proportional to 13,296.25, 18,348.75 and 7,246.48

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Solution

The fourth proportional to 13,296.25, 18,348.75 and 7,246.48 is: 10,000.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,296.25 : 18,348.75 = 7,246.48 : x
  2. Step 2: Convert to fraction form
    13,296.25/18,348.75 = 7,246.48/x
  3. Step 3: Cross multiply
    13,296.25x = 18,348.75 × 7,246.48
  4. Step 4: Simplify right side
    13,296.25x = 132,963,849.90
  5. Step 5: Solve for x
    x = 132,963,849.90/13,296.25
  6. Step 6: Final answer
    x = 10,000.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.