Home / 17,102.48-23,612.10-13,115.94

Finding the Fourth Proportional to 17,102.48, 23,612.10 and 13,115.94

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Solution

The fourth proportional to 17,102.48, 23,612.10 and 13,115.94 is: 18,108.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,102.48 : 23,612.10 = 13,115.94 : x
  2. Step 2: Convert to fraction form
    17,102.48/23,612.10 = 13,115.94/x
  3. Step 3: Cross multiply
    17,102.48x = 23,612.10 × 13,115.94
  4. Step 4: Simplify right side
    17,102.48x = 309,694,886.87
  5. Step 5: Solve for x
    x = 309,694,886.87/17,102.48
  6. Step 6: Final answer
    x = 18,108.19

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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.