Home / 12,853.12-19,226.88-10,261.12

Finding the Fourth Proportional to 12,853.12, 19,226.88 and 10,261.12

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Solution

The fourth proportional to 12,853.12, 19,226.88 and 10,261.12 is: 15,349.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,853.12 : 19,226.88 = 10,261.12 : x
  2. Step 2: Convert to fraction form
    12,853.12/19,226.88 = 10,261.12/x
  3. Step 3: Cross multiply
    12,853.12x = 19,226.88 × 10,261.12
  4. Step 4: Simplify right side
    12,853.12x = 197,289,322.91
  5. Step 5: Solve for x
    x = 197,289,322.91/12,853.12
  6. Step 6: Final answer
    x = 15,349.53

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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.