Home / 19,790.24-27,309.47-10,836.05

Finding the Fourth Proportional to 19,790.24, 27,309.47 and 10,836.05

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Solution

The fourth proportional to 19,790.24, 27,309.47 and 10,836.05 is: 14,953.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,790.24 : 27,309.47 = 10,836.05 : x
  2. Step 2: Convert to fraction form
    19,790.24/27,309.47 = 10,836.05/x
  3. Step 3: Cross multiply
    19,790.24x = 27,309.47 × 10,836.05
  4. Step 4: Simplify right side
    19,790.24x = 295,926,591.67
  5. Step 5: Solve for x
    x = 295,926,591.67/19,790.24
  6. Step 6: Final answer
    x = 14,953.16

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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.