Home / 14,101.17-21,157.29-5,785.17

Finding the Fourth Proportional to 14,101.17, 21,157.29 and 5,785.17

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Solution

The fourth proportional to 14,101.17, 21,157.29 and 5,785.17 is: 8,680.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,101.17 : 21,157.29 = 5,785.17 : x
  2. Step 2: Convert to fraction form
    14,101.17/21,157.29 = 5,785.17/x
  3. Step 3: Cross multiply
    14,101.17x = 21,157.29 × 5,785.17
  4. Step 4: Simplify right side
    14,101.17x = 122,398,519.39
  5. Step 5: Solve for x
    x = 122,398,519.39/14,101.17
  6. Step 6: Final answer
    x = 8,680.03

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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.