Home / 19,213.32-26,514.90-10,831.80

Finding the Fourth Proportional to 19,213.32, 26,514.90 and 10,831.80

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Solution

The fourth proportional to 19,213.32, 26,514.90 and 10,831.80 is: 14,948.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,213.32 : 26,514.90 = 10,831.80 : x
  2. Step 2: Convert to fraction form
    19,213.32/26,514.90 = 10,831.80/x
  3. Step 3: Cross multiply
    19,213.32x = 26,514.90 × 10,831.80
  4. Step 4: Simplify right side
    19,213.32x = 287,204,093.82
  5. Step 5: Solve for x
    x = 287,204,093.82/19,213.32
  6. Step 6: Final answer
    x = 14,948.18

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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.