Home / 13,911.76-19,198.02-7,624.14

Finding the Fourth Proportional to 13,911.76, 19,198.02 and 7,624.14

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Solution

The fourth proportional to 13,911.76, 19,198.02 and 7,624.14 is: 10,521.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,911.76 : 19,198.02 = 7,624.14 : x
  2. Step 2: Convert to fraction form
    13,911.76/19,198.02 = 7,624.14/x
  3. Step 3: Cross multiply
    13,911.76x = 19,198.02 × 7,624.14
  4. Step 4: Simplify right side
    13,911.76x = 146,368,392.20
  5. Step 5: Solve for x
    x = 146,368,392.20/13,911.76
  6. Step 6: Final answer
    x = 10,521.20

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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.