Home / 25,945.89-35,802.90-15,333.45

Finding the Fourth Proportional to 25,945.89, 35,802.90 and 15,333.45

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Solution

The fourth proportional to 25,945.89, 35,802.90 and 15,333.45 is: 21,158.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,945.89 : 35,802.90 = 15,333.45 : x
  2. Step 2: Convert to fraction form
    25,945.89/35,802.90 = 15,333.45/x
  3. Step 3: Cross multiply
    25,945.89x = 35,802.90 × 15,333.45
  4. Step 4: Simplify right side
    25,945.89x = 548,981,977.01
  5. Step 5: Solve for x
    x = 548,981,977.01/25,945.89
  6. Step 6: Final answer
    x = 21,158.73

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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.