Home / 17,569.12-26,356.56-7,178.08

Finding the Fourth Proportional to 17,569.12, 26,356.56 and 7,178.08

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Solution

The fourth proportional to 17,569.12, 26,356.56 and 7,178.08 is: 10,768.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,569.12 : 26,356.56 = 7,178.08 : x
  2. Step 2: Convert to fraction form
    17,569.12/26,356.56 = 7,178.08/x
  3. Step 3: Cross multiply
    17,569.12x = 26,356.56 × 7,178.08
  4. Step 4: Simplify right side
    17,569.12x = 189,189,496.20
  5. Step 5: Solve for x
    x = 189,189,496.20/17,569.12
  6. Step 6: Final answer
    x = 10,768.30

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1.5x scale

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.