Home / 23,148.95-31,945.41-13,077.54

Finding the Fourth Proportional to 23,148.95, 31,945.41 and 13,077.54

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Solution

The fourth proportional to 23,148.95, 31,945.41 and 13,077.54 is: 18,046.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,148.95 : 31,945.41 = 13,077.54 : x
  2. Step 2: Convert to fraction form
    23,148.95/31,945.41 = 13,077.54/x
  3. Step 3: Cross multiply
    23,148.95x = 31,945.41 × 13,077.54
  4. Step 4: Simplify right side
    23,148.95x = 417,767,377.09
  5. Step 5: Solve for x
    x = 417,767,377.09/23,148.95
  6. Step 6: Final answer
    x = 18,046.93

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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.