Home / 22,365.12-33,495.12-13,137.60

Finding the Fourth Proportional to 22,365.12, 33,495.12 and 13,137.60

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Solution

The fourth proportional to 22,365.12, 33,495.12 and 13,137.60 is: 19,675.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,365.12 : 33,495.12 = 13,137.60 : x
  2. Step 2: Convert to fraction form
    22,365.12/33,495.12 = 13,137.60/x
  3. Step 3: Cross multiply
    22,365.12x = 33,495.12 × 13,137.60
  4. Step 4: Simplify right side
    22,365.12x = 440,045,488.51
  5. Step 5: Solve for x
    x = 440,045,488.51/22,365.12
  6. Step 6: Final answer
    x = 19,675.53

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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.