Home / 18,233.91-27,332.64-15,724.94

Finding the Fourth Proportional to 18,233.91, 27,332.64 and 15,724.94

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Solution

The fourth proportional to 18,233.91, 27,332.64 and 15,724.94 is: 23,571.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,233.91 : 27,332.64 = 15,724.94 : x
  2. Step 2: Convert to fraction form
    18,233.91/27,332.64 = 15,724.94/x
  3. Step 3: Cross multiply
    18,233.91x = 27,332.64 × 15,724.94
  4. Step 4: Simplify right side
    18,233.91x = 429,803,987.38
  5. Step 5: Solve for x
    x = 429,803,987.38/18,233.91
  6. Step 6: Final answer
    x = 23,571.69

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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.