Home / 45,282.02-67,900.94-13,685.99

Finding the Fourth Proportional to 45,282.02, 67,900.94 and 13,685.99

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Solution

The fourth proportional to 45,282.02, 67,900.94 and 13,685.99 is: 20,522.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,282.02 : 67,900.94 = 13,685.99 : x
  2. Step 2: Convert to fraction form
    45,282.02/67,900.94 = 13,685.99/x
  3. Step 3: Cross multiply
    45,282.02x = 67,900.94 × 13,685.99
  4. Step 4: Simplify right side
    45,282.02x = 929,291,177.90
  5. Step 5: Solve for x
    x = 929,291,177.90/45,282.02
  6. Step 6: Final answer
    x = 20,522.30

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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.