Home / 14,616.06-20,170.14-7,901.70

Finding the Fourth Proportional to 14,616.06, 20,170.14 and 7,901.70

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Solution

The fourth proportional to 14,616.06, 20,170.14 and 7,901.70 is: 10,904.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,616.06 : 20,170.14 = 7,901.70 : x
  2. Step 2: Convert to fraction form
    14,616.06/20,170.14 = 7,901.70/x
  3. Step 3: Cross multiply
    14,616.06x = 20,170.14 × 7,901.70
  4. Step 4: Simplify right side
    14,616.06x = 159,378,395.24
  5. Step 5: Solve for x
    x = 159,378,395.24/14,616.06
  6. Step 6: Final answer
    x = 10,904.33

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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.