Home / 23,715.77-32,743.01-15,221.54

Finding the Fourth Proportional to 23,715.77, 32,743.01 and 15,221.54

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Solution

The fourth proportional to 23,715.77, 32,743.01 and 15,221.54 is: 21,015.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,715.77 : 32,743.01 = 15,221.54 : x
  2. Step 2: Convert to fraction form
    23,715.77/32,743.01 = 15,221.54/x
  3. Step 3: Cross multiply
    23,715.77x = 32,743.01 × 15,221.54
  4. Step 4: Simplify right side
    23,715.77x = 498,399,156.35
  5. Step 5: Solve for x
    x = 498,399,156.35/23,715.77
  6. Step 6: Final answer
    x = 21,015.52

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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.