Home / 25,935.10-35,790.89-15,324.70

Finding the Fourth Proportional to 25,935.10, 35,790.89 and 15,324.70

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Solution

The fourth proportional to 25,935.10, 35,790.89 and 15,324.70 is: 21,148.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,935.10 : 35,790.89 = 15,324.70 : x
  2. Step 2: Convert to fraction form
    25,935.10/35,790.89 = 15,324.70/x
  3. Step 3: Cross multiply
    25,935.10x = 35,790.89 × 15,324.70
  4. Step 4: Simplify right side
    25,935.10x = 548,484,651.98
  5. Step 5: Solve for x
    x = 548,484,651.98/25,935.10
  6. Step 6: Final answer
    x = 21,148.35

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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.