Home / 13,226.99-19,830.75-6,306.35

Finding the Fourth Proportional to 13,226.99, 19,830.75 and 6,306.35

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Solution

The fourth proportional to 13,226.99, 19,830.75 and 6,306.35 is: 9,454.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,226.99 : 19,830.75 = 6,306.35 : x
  2. Step 2: Convert to fraction form
    13,226.99/19,830.75 = 6,306.35/x
  3. Step 3: Cross multiply
    13,226.99x = 19,830.75 × 6,306.35
  4. Step 4: Simplify right side
    13,226.99x = 125,059,551.11
  5. Step 5: Solve for x
    x = 125,059,551.11/13,226.99
  6. Step 6: Final answer
    x = 9,454.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.