Home / 19,831.65-27,369.41-10,880.88

Finding the Fourth Proportional to 19,831.65, 27,369.41 and 10,880.88

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Solution

The fourth proportional to 19,831.65, 27,369.41 and 10,880.88 is: 15,016.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,831.65 : 27,369.41 = 10,880.88 : x
  2. Step 2: Convert to fraction form
    19,831.65/27,369.41 = 10,880.88/x
  3. Step 3: Cross multiply
    19,831.65x = 27,369.41 × 10,880.88
  4. Step 4: Simplify right side
    19,831.65x = 297,803,211.48
  5. Step 5: Solve for x
    x = 297,803,211.48/19,831.65
  6. Step 6: Final answer
    x = 15,016.56

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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.