Home / 20,170.04-27,835.32-11,095.79

Finding the Fourth Proportional to 20,170.04, 27,835.32 and 11,095.79

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Solution

The fourth proportional to 20,170.04, 27,835.32 and 11,095.79 is: 15,312.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,170.04 : 27,835.32 = 11,095.79 : x
  2. Step 2: Convert to fraction form
    20,170.04/27,835.32 = 11,095.79/x
  3. Step 3: Cross multiply
    20,170.04x = 27,835.32 × 11,095.79
  4. Step 4: Simplify right side
    20,170.04x = 308,854,726.13
  5. Step 5: Solve for x
    x = 308,854,726.13/20,170.04
  6. Step 6: Final answer
    x = 15,312.55

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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.