Home / 14,151.36-19,531.28-8,186.66

Finding the Fourth Proportional to 14,151.36, 19,531.28 and 8,186.66

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Solution

The fourth proportional to 14,151.36, 19,531.28 and 8,186.66 is: 11,298.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,151.36 : 19,531.28 = 8,186.66 : x
  2. Step 2: Convert to fraction form
    14,151.36/19,531.28 = 8,186.66/x
  3. Step 3: Cross multiply
    14,151.36x = 19,531.28 × 8,186.66
  4. Step 4: Simplify right side
    14,151.36x = 159,895,948.72
  5. Step 5: Solve for x
    x = 159,895,948.72/14,151.36
  6. Step 6: Final answer
    x = 11,298.98

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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.