Home / 19,036.71-26,270.99-11,078.76

Finding the Fourth Proportional to 19,036.71, 26,270.99 and 11,078.76

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Solution

The fourth proportional to 19,036.71, 26,270.99 and 11,078.76 is: 15,288.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,036.71 : 26,270.99 = 11,078.76 : x
  2. Step 2: Convert to fraction form
    19,036.71/26,270.99 = 11,078.76/x
  3. Step 3: Cross multiply
    19,036.71x = 26,270.99 × 11,078.76
  4. Step 4: Simplify right side
    19,036.71x = 291,049,937.78
  5. Step 5: Solve for x
    x = 291,049,937.78/19,036.71
  6. Step 6: Final answer
    x = 15,288.88

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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.