Home / 18,920.73-26,110.59-10,967.57

Finding the Fourth Proportional to 18,920.73, 26,110.59 and 10,967.57

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Solution

The fourth proportional to 18,920.73, 26,110.59 and 10,967.57 is: 15,135.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,920.73 : 26,110.59 = 10,967.57 : x
  2. Step 2: Convert to fraction form
    18,920.73/26,110.59 = 10,967.57/x
  3. Step 3: Cross multiply
    18,920.73x = 26,110.59 × 10,967.57
  4. Step 4: Simplify right side
    18,920.73x = 286,369,593.01
  5. Step 5: Solve for x
    x = 286,369,593.01/18,920.73
  6. Step 6: Final answer
    x = 15,135.23

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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.