Home / 15,842.08-21,859.46-8,767.14

Finding the Fourth Proportional to 15,842.08, 21,859.46 and 8,767.14

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Solution

The fourth proportional to 15,842.08, 21,859.46 and 8,767.14 is: 12,097.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,842.08 : 21,859.46 = 8,767.14 : x
  2. Step 2: Convert to fraction form
    15,842.08/21,859.46 = 8,767.14/x
  3. Step 3: Cross multiply
    15,842.08x = 21,859.46 × 8,767.14
  4. Step 4: Simplify right side
    15,842.08x = 191,644,946.14
  5. Step 5: Solve for x
    x = 191,644,946.14/15,842.08
  6. Step 6: Final answer
    x = 12,097.21

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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.