Home / 16,147.12-22,284.12-9,074.20

Finding the Fourth Proportional to 16,147.12, 22,284.12 and 9,074.20

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Solution

The fourth proportional to 16,147.12, 22,284.12 and 9,074.20 is: 12,523.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,147.12 : 22,284.12 = 9,074.20 : x
  2. Step 2: Convert to fraction form
    16,147.12/22,284.12 = 9,074.20/x
  3. Step 3: Cross multiply
    16,147.12x = 22,284.12 × 9,074.20
  4. Step 4: Simplify right side
    16,147.12x = 202,210,561.70
  5. Step 5: Solve for x
    x = 202,210,561.70/16,147.12
  6. Step 6: Final answer
    x = 12,523.01

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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.