Home / 17,171.68-23,700.40-9,722.08

Finding the Fourth Proportional to 17,171.68, 23,700.40 and 9,722.08

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Solution

The fourth proportional to 17,171.68, 23,700.40 and 9,722.08 is: 13,418.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,171.68 : 23,700.40 = 9,722.08 : x
  2. Step 2: Convert to fraction form
    17,171.68/23,700.40 = 9,722.08/x
  3. Step 3: Cross multiply
    17,171.68x = 23,700.40 × 9,722.08
  4. Step 4: Simplify right side
    17,171.68x = 230,417,184.83
  5. Step 5: Solve for x
    x = 230,417,184.83/17,171.68
  6. Step 6: Final answer
    x = 13,418.44

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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.