Home / 17,355.28-26,041.56-12,776.08

Finding the Fourth Proportional to 17,355.28, 26,041.56 and 12,776.08

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Solution

The fourth proportional to 17,355.28, 26,041.56 and 12,776.08 is: 19,170.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,355.28 : 26,041.56 = 12,776.08 : x
  2. Step 2: Convert to fraction form
    17,355.28/26,041.56 = 12,776.08/x
  3. Step 3: Cross multiply
    17,355.28x = 26,041.56 × 12,776.08
  4. Step 4: Simplify right side
    17,355.28x = 332,709,053.88
  5. Step 5: Solve for x
    x = 332,709,053.88/17,355.28
  6. Step 6: Final answer
    x = 19,170.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.