Home / 25,737.98-35,511.99-15,125.54

Finding the Fourth Proportional to 25,737.98, 35,511.99 and 15,125.54

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Solution

The fourth proportional to 25,737.98, 35,511.99 and 15,125.54 is: 20,869.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,737.98 : 35,511.99 = 15,125.54 : x
  2. Step 2: Convert to fraction form
    25,737.98/35,511.99 = 15,125.54/x
  3. Step 3: Cross multiply
    25,737.98x = 35,511.99 × 15,125.54
  4. Step 4: Simplify right side
    25,737.98x = 537,138,025.22
  5. Step 5: Solve for x
    x = 537,138,025.22/25,737.98
  6. Step 6: Final answer
    x = 20,869.47

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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.