Home / 14,013.85-19,339.09-7,726.23

Finding the Fourth Proportional to 14,013.85, 19,339.09 and 7,726.23

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Solution

The fourth proportional to 14,013.85, 19,339.09 and 7,726.23 is: 10,662.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,013.85 : 19,339.09 = 7,726.23 : x
  2. Step 2: Convert to fraction form
    14,013.85/19,339.09 = 7,726.23/x
  3. Step 3: Cross multiply
    14,013.85x = 19,339.09 × 7,726.23
  4. Step 4: Simplify right side
    14,013.85x = 149,418,257.33
  5. Step 5: Solve for x
    x = 149,418,257.33/14,013.85
  6. Step 6: Final answer
    x = 10,662.18

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Half scale
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Double scale
Find fourth proportional to 14,014.85, 19,340.47 and 7,727.23
Similar ratio
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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.