Home / 19,329.19-26,674.26-10,831.38

Finding the Fourth Proportional to 19,329.19, 26,674.26 and 10,831.38

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Solution

The fourth proportional to 19,329.19, 26,674.26 and 10,831.38 is: 14,947.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,329.19 : 26,674.26 = 10,831.38 : x
  2. Step 2: Convert to fraction form
    19,329.19/26,674.26 = 10,831.38/x
  3. Step 3: Cross multiply
    19,329.19x = 26,674.26 × 10,831.38
  4. Step 4: Simplify right side
    19,329.19x = 288,918,912.91
  5. Step 5: Solve for x
    x = 288,918,912.91/19,329.19
  6. Step 6: Final answer
    x = 14,947.29

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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.