Home / 17,008.86-23,381.43-15,197.34

Finding the Fourth Proportional to 17,008.86, 23,381.43 and 15,197.34

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Solution

The fourth proportional to 17,008.86, 23,381.43 and 15,197.34 is: 20,891.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,008.86 : 23,381.43 = 15,197.34 : x
  2. Step 2: Convert to fraction form
    17,008.86/23,381.43 = 15,197.34/x
  3. Step 3: Cross multiply
    17,008.86x = 23,381.43 × 15,197.34
  4. Step 4: Simplify right side
    17,008.86x = 355,335,541.40
  5. Step 5: Solve for x
    x = 355,335,541.40/17,008.86
  6. Step 6: Final answer
    x = 20,891.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.