Home / 21,365.33-32,054.46-15,137.39

Finding the Fourth Proportional to 21,365.33, 32,054.46 and 15,137.39

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Solution

The fourth proportional to 21,365.33, 32,054.46 and 15,137.39 is: 22,710.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,365.33 : 32,054.46 = 15,137.39 : x
  2. Step 2: Convert to fraction form
    21,365.33/32,054.46 = 15,137.39/x
  3. Step 3: Cross multiply
    21,365.33x = 32,054.46 × 15,137.39
  4. Step 4: Simplify right side
    21,365.33x = 485,220,701.99
  5. Step 5: Solve for x
    x = 485,220,701.99/21,365.33
  6. Step 6: Final answer
    x = 22,710.66

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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.