Home / 25,666.02-38,500.41-8,137.21

Finding the Fourth Proportional to 25,666.02, 38,500.41 and 8,137.21

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Solution

The fourth proportional to 25,666.02, 38,500.41 and 8,137.21 is: 12,206.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,666.02 : 38,500.41 = 8,137.21 : x
  2. Step 2: Convert to fraction form
    25,666.02/38,500.41 = 8,137.21/x
  3. Step 3: Cross multiply
    25,666.02x = 38,500.41 × 8,137.21
  4. Step 4: Simplify right side
    25,666.02x = 313,285,880.57
  5. Step 5: Solve for x
    x = 313,285,880.57/25,666.02
  6. Step 6: Final answer
    x = 12,206.25

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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.