Home / 14,161.82-19,543.25-7,874.19

Finding the Fourth Proportional to 14,161.82, 19,543.25 and 7,874.19

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Solution

The fourth proportional to 14,161.82, 19,543.25 and 7,874.19 is: 10,866.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,161.82 : 19,543.25 = 7,874.19 : x
  2. Step 2: Convert to fraction form
    14,161.82/19,543.25 = 7,874.19/x
  3. Step 3: Cross multiply
    14,161.82x = 19,543.25 × 7,874.19
  4. Step 4: Simplify right side
    14,161.82x = 153,887,283.40
  5. Step 5: Solve for x
    x = 153,887,283.40/14,161.82
  6. Step 6: Final answer
    x = 10,866.35

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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.