Home / 14,083.87-19,430.05-8,112.35

Finding the Fourth Proportional to 14,083.87, 19,430.05 and 8,112.35

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Solution

The fourth proportional to 14,083.87, 19,430.05 and 8,112.35 is: 11,191.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,083.87 : 19,430.05 = 8,112.35 : x
  2. Step 2: Convert to fraction form
    14,083.87/19,430.05 = 8,112.35/x
  3. Step 3: Cross multiply
    14,083.87x = 19,430.05 × 8,112.35
  4. Step 4: Simplify right side
    14,083.87x = 157,623,366.12
  5. Step 5: Solve for x
    x = 157,623,366.12/14,083.87
  6. Step 6: Final answer
    x = 11,191.77

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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.