Home / 19,269.48-26,588.76-11,711.76

Finding the Fourth Proportional to 19,269.48, 26,588.76 and 11,711.76

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Solution

The fourth proportional to 19,269.48, 26,588.76 and 11,711.76 is: 16,160.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,269.48 : 26,588.76 = 11,711.76 : x
  2. Step 2: Convert to fraction form
    19,269.48/26,588.76 = 11,711.76/x
  3. Step 3: Cross multiply
    19,269.48x = 26,588.76 × 11,711.76
  4. Step 4: Simplify right side
    19,269.48x = 311,401,175.82
  5. Step 5: Solve for x
    x = 311,401,175.82/19,269.48
  6. Step 6: Final answer
    x = 16,160.33

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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.