Home / 19,545.84-26,966.97-11,988.54

Finding the Fourth Proportional to 19,545.84, 26,966.97 and 11,988.54

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Solution

The fourth proportional to 19,545.84, 26,966.97 and 11,988.54 is: 16,540.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,545.84 : 26,966.97 = 11,988.54 : x
  2. Step 2: Convert to fraction form
    19,545.84/26,966.97 = 11,988.54/x
  3. Step 3: Cross multiply
    19,545.84x = 26,966.97 × 11,988.54
  4. Step 4: Simplify right side
    19,545.84x = 323,294,598.52
  5. Step 5: Solve for x
    x = 323,294,598.52/19,545.84
  6. Step 6: Final answer
    x = 16,540.33

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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.