Home / 13,933.26-19,233.59-10,390.32

Finding the Fourth Proportional to 13,933.26, 19,233.59 and 10,390.32

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Solution

The fourth proportional to 13,933.26, 19,233.59 and 10,390.32 is: 14,342.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,933.26 : 19,233.59 = 10,390.32 : x
  2. Step 2: Convert to fraction form
    13,933.26/19,233.59 = 10,390.32/x
  3. Step 3: Cross multiply
    13,933.26x = 19,233.59 × 10,390.32
  4. Step 4: Simplify right side
    13,933.26x = 199,843,102.90
  5. Step 5: Solve for x
    x = 199,843,102.90/13,933.26
  6. Step 6: Final answer
    x = 14,342.88

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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.