Home / 25,781.72-35,576.60-14,296.96

Finding the Fourth Proportional to 25,781.72, 35,576.60 and 14,296.96

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Solution

The fourth proportional to 25,781.72, 35,576.60 and 14,296.96 is: 19,728.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,781.72 : 35,576.60 = 14,296.96 : x
  2. Step 2: Convert to fraction form
    25,781.72/35,576.60 = 14,296.96/x
  3. Step 3: Cross multiply
    25,781.72x = 35,576.60 × 14,296.96
  4. Step 4: Simplify right side
    25,781.72x = 508,637,227.14
  5. Step 5: Solve for x
    x = 508,637,227.14/25,781.72
  6. Step 6: Final answer
    x = 19,728.60

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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.