Home / 19,848.30-27,390.56-10,895.56

Finding the Fourth Proportional to 19,848.30, 27,390.56 and 10,895.56

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Solution

The fourth proportional to 19,848.30, 27,390.56 and 10,895.56 is: 15,035.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,848.30 : 27,390.56 = 10,895.56 : x
  2. Step 2: Convert to fraction form
    19,848.30/27,390.56 = 10,895.56/x
  3. Step 3: Cross multiply
    19,848.30x = 27,390.56 × 10,895.56
  4. Step 4: Simplify right side
    19,848.30x = 298,435,489.91
  5. Step 5: Solve for x
    x = 298,435,489.91/19,848.30
  6. Step 6: Final answer
    x = 15,035.82

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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.