Home / 45,165.02-67,756.92-13,573.80

Finding the Fourth Proportional to 45,165.02, 67,756.92 and 13,573.80

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Solution

The fourth proportional to 45,165.02, 67,756.92 and 13,573.80 is: 20,363.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,165.02 : 67,756.92 = 13,573.80 : x
  2. Step 2: Convert to fraction form
    45,165.02/67,756.92 = 13,573.80/x
  3. Step 3: Cross multiply
    45,165.02x = 67,756.92 × 13,573.80
  4. Step 4: Simplify right side
    45,165.02x = 919,718,880.70
  5. Step 5: Solve for x
    x = 919,718,880.70/45,165.02
  6. Step 6: Final answer
    x = 20,363.52

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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.