Home / 18,543.84-27,650.32-16,483.20

Finding the Fourth Proportional to 18,543.84, 27,650.32 and 16,483.20

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Solution

The fourth proportional to 18,543.84, 27,650.32 and 16,483.20 is: 24,577.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,543.84 : 27,650.32 = 16,483.20 : x
  2. Step 2: Convert to fraction form
    18,543.84/27,650.32 = 16,483.20/x
  3. Step 3: Cross multiply
    18,543.84x = 27,650.32 × 16,483.20
  4. Step 4: Simplify right side
    18,543.84x = 455,765,754.62
  5. Step 5: Solve for x
    x = 455,765,754.62/18,543.84
  6. Step 6: Final answer
    x = 24,577.74

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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.