Home / 23,640.95-32,623.20-13,028.73

Finding the Fourth Proportional to 23,640.95, 32,623.20 and 13,028.73

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Solution

The fourth proportional to 23,640.95, 32,623.20 and 13,028.73 is: 17,978.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,640.95 : 32,623.20 = 13,028.73 : x
  2. Step 2: Convert to fraction form
    23,640.95/32,623.20 = 13,028.73/x
  3. Step 3: Cross multiply
    23,640.95x = 32,623.20 × 13,028.73
  4. Step 4: Simplify right side
    23,640.95x = 425,038,864.54
  5. Step 5: Solve for x
    x = 425,038,864.54/23,640.95
  6. Step 6: Final answer
    x = 17,978.93

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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.