Home / 25,890.72-35,737.68-16,943.84

Finding the Fourth Proportional to 25,890.72, 35,737.68 and 16,943.84

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Solution

The fourth proportional to 25,890.72, 35,737.68 and 16,943.84 is: 23,388.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,890.72 : 35,737.68 = 16,943.84 : x
  2. Step 2: Convert to fraction form
    25,890.72/35,737.68 = 16,943.84/x
  3. Step 3: Cross multiply
    25,890.72x = 35,737.68 × 16,943.84
  4. Step 4: Simplify right side
    25,890.72x = 605,533,531.89
  5. Step 5: Solve for x
    x = 605,533,531.89/25,890.72
  6. Step 6: Final answer
    x = 23,388.05

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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.