Home / 18,086.51-24,961.86-10,916.81

Finding the Fourth Proportional to 18,086.51, 24,961.86 and 10,916.81

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Solution

The fourth proportional to 18,086.51, 24,961.86 and 10,916.81 is: 15,066.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,086.51 : 24,961.86 = 10,916.81 : x
  2. Step 2: Convert to fraction form
    18,086.51/24,961.86 = 10,916.81/x
  3. Step 3: Cross multiply
    18,086.51x = 24,961.86 × 10,916.81
  4. Step 4: Simplify right side
    18,086.51x = 272,503,882.87
  5. Step 5: Solve for x
    x = 272,503,882.87/18,086.51
  6. Step 6: Final answer
    x = 15,066.69

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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.