Home / 19,768.46-27,281.29-10,816.75

Finding the Fourth Proportional to 19,768.46, 27,281.29 and 10,816.75

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Solution

The fourth proportional to 19,768.46, 27,281.29 and 10,816.75 is: 14,927.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,768.46 : 27,281.29 = 10,816.75 : x
  2. Step 2: Convert to fraction form
    19,768.46/27,281.29 = 10,816.75/x
  3. Step 3: Cross multiply
    19,768.46x = 27,281.29 × 10,816.75
  4. Step 4: Simplify right side
    19,768.46x = 295,094,757.20
  5. Step 5: Solve for x
    x = 295,094,757.20/19,768.46
  6. Step 6: Final answer
    x = 14,927.55

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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.