Home / 17,872.18-26,808.45-5,392.31

Finding the Fourth Proportional to 17,872.18, 26,808.45 and 5,392.31

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Solution

The fourth proportional to 17,872.18, 26,808.45 and 5,392.31 is: 8,088.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,872.18 : 26,808.45 = 5,392.31 : x
  2. Step 2: Convert to fraction form
    17,872.18/26,808.45 = 5,392.31/x
  3. Step 3: Cross multiply
    17,872.18x = 26,808.45 × 5,392.31
  4. Step 4: Simplify right side
    17,872.18x = 144,559,473.02
  5. Step 5: Solve for x
    x = 144,559,473.02/17,872.18
  6. Step 6: Final answer
    x = 8,088.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.