Home / 14,550.32-21,834.99-7,981.13

Finding the Fourth Proportional to 14,550.32, 21,834.99 and 7,981.13

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Solution

The fourth proportional to 14,550.32, 21,834.99 and 7,981.13 is: 11,976.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,550.32 : 21,834.99 = 7,981.13 : x
  2. Step 2: Convert to fraction form
    14,550.32/21,834.99 = 7,981.13/x
  3. Step 3: Cross multiply
    14,550.32x = 21,834.99 × 7,981.13
  4. Step 4: Simplify right side
    14,550.32x = 174,267,784.56
  5. Step 5: Solve for x
    x = 174,267,784.56/14,550.32
  6. Step 6: Final answer
    x = 11,976.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.