Home / 18,821.40-28,067.63-16,492.24

Finding the Fourth Proportional to 18,821.40, 28,067.63 and 16,492.24

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Solution

The fourth proportional to 18,821.40, 28,067.63 and 16,492.24 is: 24,594.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,821.40 : 28,067.63 = 16,492.24 : x
  2. Step 2: Convert to fraction form
    18,821.40/28,067.63 = 16,492.24/x
  3. Step 3: Cross multiply
    18,821.40x = 28,067.63 × 16,492.24
  4. Step 4: Simplify right side
    18,821.40x = 462,898,090.19
  5. Step 5: Solve for x
    x = 462,898,090.19/18,821.40
  6. Step 6: Final answer
    x = 24,594.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.