Home / 24,697.32-34,111.64-19,678.56

Finding the Fourth Proportional to 24,697.32, 34,111.64 and 19,678.56

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Solution

The fourth proportional to 24,697.32, 34,111.64 and 19,678.56 is: 27,179.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,697.32 : 34,111.64 = 19,678.56 : x
  2. Step 2: Convert to fraction form
    24,697.32/34,111.64 = 19,678.56/x
  3. Step 3: Cross multiply
    24,697.32x = 34,111.64 × 19,678.56
  4. Step 4: Simplify right side
    24,697.32x = 671,267,954.44
  5. Step 5: Solve for x
    x = 671,267,954.44/24,697.32
  6. Step 6: Final answer
    x = 27,179.79

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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.