Home / 22,129.54-33,159.72-13,904.26

Finding the Fourth Proportional to 22,129.54, 33,159.72 and 13,904.26

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Solution

The fourth proportional to 22,129.54, 33,159.72 and 13,904.26 is: 20,834.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,129.54 : 33,159.72 = 13,904.26 : x
  2. Step 2: Convert to fraction form
    22,129.54/33,159.72 = 13,904.26/x
  3. Step 3: Cross multiply
    22,129.54x = 33,159.72 × 13,904.26
  4. Step 4: Simplify right side
    22,129.54x = 461,061,368.41
  5. Step 5: Solve for x
    x = 461,061,368.41/22,129.54
  6. Step 6: Final answer
    x = 20,834.66

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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.