Home / 17,178.48-23,704.85-9,521.96

Finding the Fourth Proportional to 17,178.48, 23,704.85 and 9,521.96

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Solution

The fourth proportional to 17,178.48, 23,704.85 and 9,521.96 is: 13,139.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,178.48 : 23,704.85 = 9,521.96 : x
  2. Step 2: Convert to fraction form
    17,178.48/23,704.85 = 9,521.96/x
  3. Step 3: Cross multiply
    17,178.48x = 23,704.85 × 9,521.96
  4. Step 4: Simplify right side
    17,178.48x = 225,716,538.79
  5. Step 5: Solve for x
    x = 225,716,538.79/17,178.48
  6. Step 6: Final answer
    x = 13,139.49

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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.