Home / 15,640.13-23,460.35-3,953.36

Finding the Fourth Proportional to 15,640.13, 23,460.35 and 3,953.36

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Solution

The fourth proportional to 15,640.13, 23,460.35 and 3,953.36 is: 5,930.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,640.13 : 23,460.35 = 3,953.36 : x
  2. Step 2: Convert to fraction form
    15,640.13/23,460.35 = 3,953.36/x
  3. Step 3: Cross multiply
    15,640.13x = 23,460.35 × 3,953.36
  4. Step 4: Simplify right side
    15,640.13x = 92,747,072.21
  5. Step 5: Solve for x
    x = 92,747,072.21/15,640.13
  6. Step 6: Final answer
    x = 5,930.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.