Home / 15,011.53-20,716.49-9,967.05

Finding the Fourth Proportional to 15,011.53, 20,716.49 and 9,967.05

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Solution

The fourth proportional to 15,011.53, 20,716.49 and 9,967.05 is: 13,754.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,011.53 : 20,716.49 = 9,967.05 : x
  2. Step 2: Convert to fraction form
    15,011.53/20,716.49 = 9,967.05/x
  3. Step 3: Cross multiply
    15,011.53x = 20,716.49 × 9,967.05
  4. Step 4: Simplify right side
    15,011.53x = 206,482,316.57
  5. Step 5: Solve for x
    x = 206,482,316.57/15,011.53
  6. Step 6: Final answer
    x = 13,754.92

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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.