Home / 16,831.38-23,210.10-11,164.14

Finding the Fourth Proportional to 16,831.38, 23,210.10 and 11,164.14

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Solution

The fourth proportional to 16,831.38, 23,210.10 and 11,164.14 is: 15,395.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,831.38 : 23,210.10 = 11,164.14 : x
  2. Step 2: Convert to fraction form
    16,831.38/23,210.10 = 11,164.14/x
  3. Step 3: Cross multiply
    16,831.38x = 23,210.10 × 11,164.14
  4. Step 4: Simplify right side
    16,831.38x = 259,120,805.81
  5. Step 5: Solve for x
    x = 259,120,805.81/16,831.38
  6. Step 6: Final answer
    x = 15,395.10

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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.