Home / 19,768.83-27,281.64-10,816.34

Finding the Fourth Proportional to 19,768.83, 27,281.64 and 10,816.34

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Solution

The fourth proportional to 19,768.83, 27,281.64 and 10,816.34 is: 14,926.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,768.83 : 27,281.64 = 10,816.34 : x
  2. Step 2: Convert to fraction form
    19,768.83/27,281.64 = 10,816.34/x
  3. Step 3: Cross multiply
    19,768.83x = 27,281.64 × 10,816.34
  4. Step 4: Simplify right side
    19,768.83x = 295,087,398.15
  5. Step 5: Solve for x
    x = 295,087,398.15/19,768.83
  6. Step 6: Final answer
    x = 14,926.91

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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.