Home / 17,857.12-24,644.32-9,901.84

Finding the Fourth Proportional to 17,857.12, 24,644.32 and 9,901.84

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Solution

The fourth proportional to 17,857.12, 24,644.32 and 9,901.84 is: 13,665.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,857.12 : 24,644.32 = 9,901.84 : x
  2. Step 2: Convert to fraction form
    17,857.12/24,644.32 = 9,901.84/x
  3. Step 3: Cross multiply
    17,857.12x = 24,644.32 × 9,901.84
  4. Step 4: Simplify right side
    17,857.12x = 244,024,113.55
  5. Step 5: Solve for x
    x = 244,024,113.55/17,857.12
  6. Step 6: Final answer
    x = 13,665.37

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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.