Home / 19,297.72-26,635.86-10,919.08

Finding the Fourth Proportional to 19,297.72, 26,635.86 and 10,919.08

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Solution

The fourth proportional to 19,297.72, 26,635.86 and 10,919.08 is: 15,071.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,297.72 : 26,635.86 = 10,919.08 : x
  2. Step 2: Convert to fraction form
    19,297.72/26,635.86 = 10,919.08/x
  3. Step 3: Cross multiply
    19,297.72x = 26,635.86 × 10,919.08
  4. Step 4: Simplify right side
    19,297.72x = 290,839,086.21
  5. Step 5: Solve for x
    x = 290,839,086.21/19,297.72
  6. Step 6: Final answer
    x = 15,071.16

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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.