Home / 22,349.36-30,842.96-13,395.04

Finding the Fourth Proportional to 22,349.36, 30,842.96 and 13,395.04

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Solution

The fourth proportional to 22,349.36, 30,842.96 and 13,395.04 is: 18,485.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,349.36 : 30,842.96 = 13,395.04 : x
  2. Step 2: Convert to fraction form
    22,349.36/30,842.96 = 13,395.04/x
  3. Step 3: Cross multiply
    22,349.36x = 30,842.96 × 13,395.04
  4. Step 4: Simplify right side
    22,349.36x = 413,142,682.92
  5. Step 5: Solve for x
    x = 413,142,682.92/22,349.36
  6. Step 6: Final answer
    x = 18,485.66

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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.