Home / 23,032.08-31,771.85-15,388.52

Finding the Fourth Proportional to 23,032.08, 31,771.85 and 15,388.52

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Solution

The fourth proportional to 23,032.08, 31,771.85 and 15,388.52 is: 21,227.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,032.08 : 31,771.85 = 15,388.52 : x
  2. Step 2: Convert to fraction form
    23,032.08/31,771.85 = 15,388.52/x
  3. Step 3: Cross multiply
    23,032.08x = 31,771.85 × 15,388.52
  4. Step 4: Simplify right side
    23,032.08x = 488,921,513.36
  5. Step 5: Solve for x
    x = 488,921,513.36/23,032.08
  6. Step 6: Final answer
    x = 21,227.85

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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.