Home / 14,048.51-19,388.88-8,080.07

Finding the Fourth Proportional to 14,048.51, 19,388.88 and 8,080.07

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Solution

The fourth proportional to 14,048.51, 19,388.88 and 8,080.07 is: 11,151.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,048.51 : 19,388.88 = 8,080.07 : x
  2. Step 2: Convert to fraction form
    14,048.51/19,388.88 = 8,080.07/x
  3. Step 3: Cross multiply
    14,048.51x = 19,388.88 × 8,080.07
  4. Step 4: Simplify right side
    14,048.51x = 156,663,410.68
  5. Step 5: Solve for x
    x = 156,663,410.68/14,048.51
  6. Step 6: Final answer
    x = 11,151.61

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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.