Home / 45,267.36-67,876.20-15,682.56

Finding the Fourth Proportional to 45,267.36, 67,876.20 and 15,682.56

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Solution

The fourth proportional to 45,267.36, 67,876.20 and 15,682.56 is: 23,515.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,267.36 : 67,876.20 = 15,682.56 : x
  2. Step 2: Convert to fraction form
    45,267.36/67,876.20 = 15,682.56/x
  3. Step 3: Cross multiply
    45,267.36x = 67,876.20 × 15,682.56
  4. Step 4: Simplify right side
    45,267.36x = 1,064,472,579.07
  5. Step 5: Solve for x
    x = 1,064,472,579.07/45,267.36
  6. Step 6: Final answer
    x = 23,515.23

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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.