Home / 14,239.87-19,632.75-11,678.24

Finding the Fourth Proportional to 14,239.87, 19,632.75 and 11,678.24

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Solution

The fourth proportional to 14,239.87, 19,632.75 and 11,678.24 is: 16,100.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,239.87 : 19,632.75 = 11,678.24 : x
  2. Step 2: Convert to fraction form
    14,239.87/19,632.75 = 11,678.24/x
  3. Step 3: Cross multiply
    14,239.87x = 19,632.75 × 11,678.24
  4. Step 4: Simplify right side
    14,239.87x = 229,275,966.36
  5. Step 5: Solve for x
    x = 229,275,966.36/14,239.87
  6. Step 6: Final answer
    x = 16,100.99

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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.