Home / 19,049.30-26,290.38-11,499.95

Finding the Fourth Proportional to 19,049.30, 26,290.38 and 11,499.95

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Solution

The fourth proportional to 19,049.30, 26,290.38 and 11,499.95 is: 15,871.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,049.30 : 26,290.38 = 11,499.95 : x
  2. Step 2: Convert to fraction form
    19,049.30/26,290.38 = 11,499.95/x
  3. Step 3: Cross multiply
    19,049.30x = 26,290.38 × 11,499.95
  4. Step 4: Simplify right side
    19,049.30x = 302,338,055.48
  5. Step 5: Solve for x
    x = 302,338,055.48/19,049.30
  6. Step 6: Final answer
    x = 15,871.35

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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.