Home / 19,595.36-27,049.88-13,230.58

Finding the Fourth Proportional to 19,595.36, 27,049.88 and 13,230.58

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Solution

The fourth proportional to 19,595.36, 27,049.88 and 13,230.58 is: 18,263.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,595.36 : 27,049.88 = 13,230.58 : x
  2. Step 2: Convert to fraction form
    19,595.36/27,049.88 = 13,230.58/x
  3. Step 3: Cross multiply
    19,595.36x = 27,049.88 × 13,230.58
  4. Step 4: Simplify right side
    19,595.36x = 357,885,601.33
  5. Step 5: Solve for x
    x = 357,885,601.33/19,595.36
  6. Step 6: Final answer
    x = 18,263.79

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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.