Home / 23,152.76-31,939.07-14,640.54

Finding the Fourth Proportional to 23,152.76, 31,939.07 and 14,640.54

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Solution

The fourth proportional to 23,152.76, 31,939.07 and 14,640.54 is: 20,196.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,152.76 : 31,939.07 = 14,640.54 : x
  2. Step 2: Convert to fraction form
    23,152.76/31,939.07 = 14,640.54/x
  3. Step 3: Cross multiply
    23,152.76x = 31,939.07 × 14,640.54
  4. Step 4: Simplify right side
    23,152.76x = 467,605,231.90
  5. Step 5: Solve for x
    x = 467,605,231.90/23,152.76
  6. Step 6: Final answer
    x = 20,196.52

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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.