Home / 13,049.58-19,479.93-11,473.20

Finding the Fourth Proportional to 13,049.58, 19,479.93 and 11,473.20

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Solution

The fourth proportional to 13,049.58, 19,479.93 and 11,473.20 is: 17,126.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,049.58 : 19,479.93 = 11,473.20 : x
  2. Step 2: Convert to fraction form
    13,049.58/19,479.93 = 11,473.20/x
  3. Step 3: Cross multiply
    13,049.58x = 19,479.93 × 11,473.20
  4. Step 4: Simplify right side
    13,049.58x = 223,497,132.88
  5. Step 5: Solve for x
    x = 223,497,132.88/13,049.58
  6. Step 6: Final answer
    x = 17,126.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.