Home / 14,233.07-19,642.79-7,860.24

Finding the Fourth Proportional to 14,233.07, 19,642.79 and 7,860.24

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Solution

The fourth proportional to 14,233.07, 19,642.79 and 7,860.24 is: 10,847.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,233.07 : 19,642.79 = 7,860.24 : x
  2. Step 2: Convert to fraction form
    14,233.07/19,642.79 = 7,860.24/x
  3. Step 3: Cross multiply
    14,233.07x = 19,642.79 × 7,860.24
  4. Step 4: Simplify right side
    14,233.07x = 154,397,063.32
  5. Step 5: Solve for x
    x = 154,397,063.32/14,233.07
  6. Step 6: Final answer
    x = 10,847.77

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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.