Home / 17,145.07-23,647.11-14,758.96

Finding the Fourth Proportional to 17,145.07, 23,647.11 and 14,758.96

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Solution

The fourth proportional to 17,145.07, 23,647.11 and 14,758.96 is: 20,356.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,145.07 : 23,647.11 = 14,758.96 : x
  2. Step 2: Convert to fraction form
    17,145.07/23,647.11 = 14,758.96/x
  3. Step 3: Cross multiply
    17,145.07x = 23,647.11 × 14,758.96
  4. Step 4: Simplify right side
    17,145.07x = 349,006,691.49
  5. Step 5: Solve for x
    x = 349,006,691.49/17,145.07
  6. Step 6: Final answer
    x = 20,356.10

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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.