Home / 19,736.68-27,236.29-10,783.99

Finding the Fourth Proportional to 19,736.68, 27,236.29 and 10,783.99

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Solution

The fourth proportional to 19,736.68, 27,236.29 and 10,783.99 is: 14,881.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,736.68 : 27,236.29 = 10,783.99 : x
  2. Step 2: Convert to fraction form
    19,736.68/27,236.29 = 10,783.99/x
  3. Step 3: Cross multiply
    19,736.68x = 27,236.29 × 10,783.99
  4. Step 4: Simplify right side
    19,736.68x = 293,715,737.93
  5. Step 5: Solve for x
    x = 293,715,737.93/19,736.68
  6. Step 6: Final answer
    x = 14,881.72

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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.