Home / 23,128.67-31,918.34-14,174.45

Finding the Fourth Proportional to 23,128.67, 31,918.34 and 14,174.45

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Solution

The fourth proportional to 23,128.67, 31,918.34 and 14,174.45 is: 19,561.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,128.67 : 31,918.34 = 14,174.45 : x
  2. Step 2: Convert to fraction form
    23,128.67/31,918.34 = 14,174.45/x
  3. Step 3: Cross multiply
    23,128.67x = 31,918.34 × 14,174.45
  4. Step 4: Simplify right side
    23,128.67x = 452,424,863.39
  5. Step 5: Solve for x
    x = 452,424,863.39/23,128.67
  6. Step 6: Final answer
    x = 19,561.21

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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.