Home / 26,442.78-39,674.56-11,641.32

Finding the Fourth Proportional to 26,442.78, 39,674.56 and 11,641.32

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Solution

The fourth proportional to 26,442.78, 39,674.56 and 11,641.32 is: 17,466.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,442.78 : 39,674.56 = 11,641.32 : x
  2. Step 2: Convert to fraction form
    26,442.78/39,674.56 = 11,641.32/x
  3. Step 3: Cross multiply
    26,442.78x = 39,674.56 × 11,641.32
  4. Step 4: Simplify right side
    26,442.78x = 461,864,248.82
  5. Step 5: Solve for x
    x = 461,864,248.82/26,442.78
  6. Step 6: Final answer
    x = 17,466.55

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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.