Home / 14,131.51-19,503.21-8,163.18

Finding the Fourth Proportional to 14,131.51, 19,503.21 and 8,163.18

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Solution

The fourth proportional to 14,131.51, 19,503.21 and 8,163.18 is: 11,266.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,131.51 : 19,503.21 = 8,163.18 : x
  2. Step 2: Convert to fraction form
    14,131.51/19,503.21 = 8,163.18/x
  3. Step 3: Cross multiply
    14,131.51x = 19,503.21 × 8,163.18
  4. Step 4: Simplify right side
    14,131.51x = 159,208,213.81
  5. Step 5: Solve for x
    x = 159,208,213.81/14,131.51
  6. Step 6: Final answer
    x = 11,266.19

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Double scale
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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.