Home / 14,131.60-19,502.49-8,163.52

Finding the Fourth Proportional to 14,131.60, 19,502.49 and 8,163.52

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Solution

The fourth proportional to 14,131.60, 19,502.49 and 8,163.52 is: 11,266.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,131.60 : 19,502.49 = 8,163.52 : x
  2. Step 2: Convert to fraction form
    14,131.60/19,502.49 = 8,163.52/x
  3. Step 3: Cross multiply
    14,131.60x = 19,502.49 × 8,163.52
  4. Step 4: Simplify right side
    14,131.60x = 159,208,967.16
  5. Step 5: Solve for x
    x = 159,208,967.16/14,131.60
  6. Step 6: Final answer
    x = 11,266.17

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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.