Home / 18,952.02-28,457.19-16,891.38

Finding the Fourth Proportional to 18,952.02, 28,457.19 and 16,891.38

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Solution

The fourth proportional to 18,952.02, 28,457.19 and 16,891.38 is: 25,363.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,952.02 : 28,457.19 = 16,891.38 : x
  2. Step 2: Convert to fraction form
    18,952.02/28,457.19 = 16,891.38/x
  3. Step 3: Cross multiply
    18,952.02x = 28,457.19 × 16,891.38
  4. Step 4: Simplify right side
    18,952.02x = 480,681,210.02
  5. Step 5: Solve for x
    x = 480,681,210.02/18,952.02
  6. Step 6: Final answer
    x = 25,363.06

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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.