Home / 12,926.24-19,391.19-4,159.11

Finding the Fourth Proportional to 12,926.24, 19,391.19 and 4,159.11

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Solution

The fourth proportional to 12,926.24, 19,391.19 and 4,159.11 is: 6,239.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,926.24 : 19,391.19 = 4,159.11 : x
  2. Step 2: Convert to fraction form
    12,926.24/19,391.19 = 4,159.11/x
  3. Step 3: Cross multiply
    12,926.24x = 19,391.19 × 4,159.11
  4. Step 4: Simplify right side
    12,926.24x = 80,650,071.45
  5. Step 5: Solve for x
    x = 80,650,071.45/12,926.24
  6. Step 6: Final answer
    x = 6,239.25

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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.