Home / 18,917.28-26,056.62-14,397.48

Finding the Fourth Proportional to 18,917.28, 26,056.62 and 14,397.48

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Solution

The fourth proportional to 18,917.28, 26,056.62 and 14,397.48 is: 19,831.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,917.28 : 26,056.62 = 14,397.48 : x
  2. Step 2: Convert to fraction form
    18,917.28/26,056.62 = 14,397.48/x
  3. Step 3: Cross multiply
    18,917.28x = 26,056.62 × 14,397.48
  4. Step 4: Simplify right side
    18,917.28x = 375,149,665.32
  5. Step 5: Solve for x
    x = 375,149,665.32/18,917.28
  6. Step 6: Final answer
    x = 19,831.06

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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.