Home / 19,831.08-27,365.94-10,876.92

Finding the Fourth Proportional to 19,831.08, 27,365.94 and 10,876.92

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Solution

The fourth proportional to 19,831.08, 27,365.94 and 10,876.92 is: 15,009.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,831.08 : 27,365.94 = 10,876.92 : x
  2. Step 2: Convert to fraction form
    19,831.08/27,365.94 = 10,876.92/x
  3. Step 3: Cross multiply
    19,831.08x = 27,365.94 × 10,876.92
  4. Step 4: Simplify right side
    19,831.08x = 297,657,140.10
  5. Step 5: Solve for x
    x = 297,657,140.10/19,831.08
  6. Step 6: Final answer
    x = 15,009.63

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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.