Home / 19,472.08-26,865-11,086.80

Finding the Fourth Proportional to 19,472.08, 26,865 and 11,086.80

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Solution

The fourth proportional to 19,472.08, 26,865 and 11,086.80 is: 15,296.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,472.08 : 26,865 = 11,086.80 : x
  2. Step 2: Convert to fraction form
    19,472.08/26,865 = 11,086.80/x
  3. Step 3: Cross multiply
    19,472.08x = 26,865 × 11,086.80
  4. Step 4: Simplify right side
    19,472.08x = 297,846,882
  5. Step 5: Solve for x
    x = 297,846,882/19,472.08
  6. Step 6: Final answer
    x = 15,296.10

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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.