Home / 18,768.56-25,906.38-10,816.08

Finding the Fourth Proportional to 18,768.56, 25,906.38 and 10,816.08

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Solution

The fourth proportional to 18,768.56, 25,906.38 and 10,816.08 is: 14,929.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,768.56 : 25,906.38 = 10,816.08 : x
  2. Step 2: Convert to fraction form
    18,768.56/25,906.38 = 10,816.08/x
  3. Step 3: Cross multiply
    18,768.56x = 25,906.38 × 10,816.08
  4. Step 4: Simplify right side
    18,768.56x = 280,205,547.45
  5. Step 5: Solve for x
    x = 280,205,547.45/18,768.56
  6. Step 6: Final answer
    x = 14,929.52

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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.