Home / 13,306.26-18,356.98-9,763.32

Finding the Fourth Proportional to 13,306.26, 18,356.98 and 9,763.32

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Solution

The fourth proportional to 13,306.26, 18,356.98 and 9,763.32 is: 13,469.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306.26 : 18,356.98 = 9,763.32 : x
  2. Step 2: Convert to fraction form
    13,306.26/18,356.98 = 9,763.32/x
  3. Step 3: Cross multiply
    13,306.26x = 18,356.98 × 9,763.32
  4. Step 4: Simplify right side
    13,306.26x = 179,225,069.97
  5. Step 5: Solve for x
    x = 179,225,069.97/13,306.26
  6. Step 6: Final answer
    x = 13,469.23

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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.