Home / 16,831.47-23,228.76-9,279.14

Finding the Fourth Proportional to 16,831.47, 23,228.76 and 9,279.14

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Solution

The fourth proportional to 16,831.47, 23,228.76 and 9,279.14 is: 12,805.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,831.47 : 23,228.76 = 9,279.14 : x
  2. Step 2: Convert to fraction form
    16,831.47/23,228.76 = 9,279.14/x
  3. Step 3: Cross multiply
    16,831.47x = 23,228.76 × 9,279.14
  4. Step 4: Simplify right side
    16,831.47x = 215,542,916.07
  5. Step 5: Solve for x
    x = 215,542,916.07/16,831.47
  6. Step 6: Final answer
    x = 12,805.95

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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.