Home / 16,761.51-23,130.90-9,687.96

Finding the Fourth Proportional to 16,761.51, 23,130.90 and 9,687.96

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Solution

The fourth proportional to 16,761.51, 23,130.90 and 9,687.96 is: 13,369.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,761.51 : 23,130.90 = 9,687.96 : x
  2. Step 2: Convert to fraction form
    16,761.51/23,130.90 = 9,687.96/x
  3. Step 3: Cross multiply
    16,761.51x = 23,130.90 × 9,687.96
  4. Step 4: Simplify right side
    16,761.51x = 224,091,233.96
  5. Step 5: Solve for x
    x = 224,091,233.96/16,761.51
  6. Step 6: Final answer
    x = 13,369.39

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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.