Home / 13,616.06-20,425.12-5,292.50

Finding the Fourth Proportional to 13,616.06, 20,425.12 and 5,292.50

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Solution

The fourth proportional to 13,616.06, 20,425.12 and 5,292.50 is: 7,939.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,616.06 : 20,425.12 = 5,292.50 : x
  2. Step 2: Convert to fraction form
    13,616.06/20,425.12 = 5,292.50/x
  3. Step 3: Cross multiply
    13,616.06x = 20,425.12 × 5,292.50
  4. Step 4: Simplify right side
    13,616.06x = 108,099,832.24
  5. Step 5: Solve for x
    x = 108,099,832.24/13,616.06
  6. Step 6: Final answer
    x = 7,939.14

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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.