Home / 16,761.48-23,128.26-9,686.54

Finding the Fourth Proportional to 16,761.48, 23,128.26 and 9,686.54

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Solution

The fourth proportional to 16,761.48, 23,128.26 and 9,686.54 is: 13,365.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,761.48 : 23,128.26 = 9,686.54 : x
  2. Step 2: Convert to fraction form
    16,761.48/23,128.26 = 9,686.54/x
  3. Step 3: Cross multiply
    16,761.48x = 23,128.26 × 9,686.54
  4. Step 4: Simplify right side
    16,761.48x = 224,032,699.98
  5. Step 5: Solve for x
    x = 224,032,699.98/16,761.48
  6. Step 6: Final answer
    x = 13,365.93

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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.