Home / 17,122.16-23,681.07-15,353.12

Finding the Fourth Proportional to 17,122.16, 23,681.07 and 15,353.12

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Solution

The fourth proportional to 17,122.16, 23,681.07 and 15,353.12 is: 21,234.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,122.16 : 23,681.07 = 15,353.12 : x
  2. Step 2: Convert to fraction form
    17,122.16/23,681.07 = 15,353.12/x
  3. Step 3: Cross multiply
    17,122.16x = 23,681.07 × 15,353.12
  4. Step 4: Simplify right side
    17,122.16x = 363,578,191.03
  5. Step 5: Solve for x
    x = 363,578,191.03/17,122.16
  6. Step 6: Final answer
    x = 21,234.37

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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.