Home / 16,831.91-23,227.91-9,278.26

Finding the Fourth Proportional to 16,831.91, 23,227.91 and 9,278.26

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Solution

The fourth proportional to 16,831.91, 23,227.91 and 9,278.26 is: 12,803.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,831.91 : 23,227.91 = 9,278.26 : x
  2. Step 2: Convert to fraction form
    16,831.91/23,227.91 = 9,278.26/x
  3. Step 3: Cross multiply
    16,831.91x = 23,227.91 × 9,278.26
  4. Step 4: Simplify right side
    16,831.91x = 215,514,518.57
  5. Step 5: Solve for x
    x = 215,514,518.57/16,831.91
  6. Step 6: Final answer
    x = 12,803.92

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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.