Home / 19,089.66-26,343.78-11,130.39

Finding the Fourth Proportional to 19,089.66, 26,343.78 and 11,130.39

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Solution

The fourth proportional to 19,089.66, 26,343.78 and 11,130.39 is: 15,359.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,089.66 : 26,343.78 = 11,130.39 : x
  2. Step 2: Convert to fraction form
    19,089.66/26,343.78 = 11,130.39/x
  3. Step 3: Cross multiply
    19,089.66x = 26,343.78 × 11,130.39
  4. Step 4: Simplify right side
    19,089.66x = 293,216,545.47
  5. Step 5: Solve for x
    x = 293,216,545.47/19,089.66
  6. Step 6: Final answer
    x = 15,359.97

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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.