Home / 45,295.13-67,947.36-12,015.24

Finding the Fourth Proportional to 45,295.13, 67,947.36 and 12,015.24

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Solution

The fourth proportional to 45,295.13, 67,947.36 and 12,015.24 is: 18,024.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,295.13 : 67,947.36 = 12,015.24 : x
  2. Step 2: Convert to fraction form
    45,295.13/67,947.36 = 12,015.24/x
  3. Step 3: Cross multiply
    45,295.13x = 67,947.36 × 12,015.24
  4. Step 4: Simplify right side
    45,295.13x = 816,403,537.91
  5. Step 5: Solve for x
    x = 816,403,537.91/45,295.13
  6. Step 6: Final answer
    x = 18,024.09

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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.