Home / 14,049.84-19,389.34-8,081.51

Finding the Fourth Proportional to 14,049.84, 19,389.34 and 8,081.51

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Solution

The fourth proportional to 14,049.84, 19,389.34 and 8,081.51 is: 11,152.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,049.84 : 19,389.34 = 8,081.51 : x
  2. Step 2: Convert to fraction form
    14,049.84/19,389.34 = 8,081.51/x
  3. Step 3: Cross multiply
    14,049.84x = 19,389.34 × 8,081.51
  4. Step 4: Simplify right side
    14,049.84x = 156,695,058.26
  5. Step 5: Solve for x
    x = 156,695,058.26/14,049.84
  6. Step 6: Final answer
    x = 11,152.80

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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.