Home / 22,383.36-33,572.80-13,615.36

Finding the Fourth Proportional to 22,383.36, 33,572.80 and 13,615.36

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Solution

The fourth proportional to 22,383.36, 33,572.80 and 13,615.36 is: 20,421.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,383.36 : 33,572.80 = 13,615.36 : x
  2. Step 2: Convert to fraction form
    22,383.36/33,572.80 = 13,615.36/x
  3. Step 3: Cross multiply
    22,383.36x = 33,572.80 × 13,615.36
  4. Step 4: Simplify right side
    22,383.36x = 457,105,758.21
  5. Step 5: Solve for x
    x = 457,105,758.21/22,383.36
  6. Step 6: Final answer
    x = 20,421.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.