Home / 27,143.04-40,680.54-15,462.84

Finding the Fourth Proportional to 27,143.04, 40,680.54 and 15,462.84

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Solution

The fourth proportional to 27,143.04, 40,680.54 and 15,462.84 is: 23,174.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,143.04 : 40,680.54 = 15,462.84 : x
  2. Step 2: Convert to fraction form
    27,143.04/40,680.54 = 15,462.84/x
  3. Step 3: Cross multiply
    27,143.04x = 40,680.54 × 15,462.84
  4. Step 4: Simplify right side
    27,143.04x = 629,036,681.13
  5. Step 5: Solve for x
    x = 629,036,681.13/27,143.04
  6. Step 6: Final answer
    x = 23,174.88

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1.5x scale

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.