Home / 18,705.44-25,816.72-17,864.66

Finding the Fourth Proportional to 18,705.44, 25,816.72 and 17,864.66

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Solution

The fourth proportional to 18,705.44, 25,816.72 and 17,864.66 is: 24,656.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,705.44 : 25,816.72 = 17,864.66 : x
  2. Step 2: Convert to fraction form
    18,705.44/25,816.72 = 17,864.66/x
  3. Step 3: Cross multiply
    18,705.44x = 25,816.72 × 17,864.66
  4. Step 4: Simplify right side
    18,705.44x = 461,206,925.12
  5. Step 5: Solve for x
    x = 461,206,925.12/18,705.44
  6. Step 6: Final answer
    x = 24,656.30

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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.