Home / 18,816.36-25,967.75-10,432.86

Finding the Fourth Proportional to 18,816.36, 25,967.75 and 10,432.86

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Solution

The fourth proportional to 18,816.36, 25,967.75 and 10,432.86 is: 14,398.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,816.36 : 25,967.75 = 10,432.86 : x
  2. Step 2: Convert to fraction form
    18,816.36/25,967.75 = 10,432.86/x
  3. Step 3: Cross multiply
    18,816.36x = 25,967.75 × 10,432.86
  4. Step 4: Simplify right side
    18,816.36x = 270,917,900.27
  5. Step 5: Solve for x
    x = 270,917,900.27/18,816.36
  6. Step 6: Final answer
    x = 14,398.00

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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.