Home / 19,783.92-27,301.83-10,831.48

Finding the Fourth Proportional to 19,783.92, 27,301.83 and 10,831.48

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Solution

The fourth proportional to 19,783.92, 27,301.83 and 10,831.48 is: 14,947.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,783.92 : 27,301.83 = 10,831.48 : x
  2. Step 2: Convert to fraction form
    19,783.92/27,301.83 = 10,831.48/x
  3. Step 3: Cross multiply
    19,783.92x = 27,301.83 × 10,831.48
  4. Step 4: Simplify right side
    19,783.92x = 295,719,225.61
  5. Step 5: Solve for x
    x = 295,719,225.61/19,783.92
  6. Step 6: Final answer
    x = 14,947.46

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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.