Home / 15,834.16-21,841.62-10,456.65

Finding the Fourth Proportional to 15,834.16, 21,841.62 and 10,456.65

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Solution

The fourth proportional to 15,834.16, 21,841.62 and 10,456.65 is: 14,423.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,834.16 : 21,841.62 = 10,456.65 : x
  2. Step 2: Convert to fraction form
    15,834.16/21,841.62 = 10,456.65/x
  3. Step 3: Cross multiply
    15,834.16x = 21,841.62 × 10,456.65
  4. Step 4: Simplify right side
    15,834.16x = 228,390,014.28
  5. Step 5: Solve for x
    x = 228,390,014.28/15,834.16
  6. Step 6: Final answer
    x = 14,423.88

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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.