Home / 18,924.73-26,116.11-10,971.57

Finding the Fourth Proportional to 18,924.73, 26,116.11 and 10,971.57

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Solution

The fourth proportional to 18,924.73, 26,116.11 and 10,971.57 is: 15,140.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,924.73 : 26,116.11 = 10,971.57 : x
  2. Step 2: Convert to fraction form
    18,924.73/26,116.11 = 10,971.57/x
  3. Step 3: Cross multiply
    18,924.73x = 26,116.11 × 10,971.57
  4. Step 4: Simplify right side
    18,924.73x = 286,534,728.99
  5. Step 5: Solve for x
    x = 286,534,728.99/18,924.73
  6. Step 6: Final answer
    x = 15,140.76

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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.