Home / 16,220.72-24,341.91-5,690.74

Finding the Fourth Proportional to 16,220.72, 24,341.91 and 5,690.74

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Solution

The fourth proportional to 16,220.72, 24,341.91 and 5,690.74 is: 8,539.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,220.72 : 24,341.91 = 5,690.74 : x
  2. Step 2: Convert to fraction form
    16,220.72/24,341.91 = 5,690.74/x
  3. Step 3: Cross multiply
    16,220.72x = 24,341.91 × 5,690.74
  4. Step 4: Simplify right side
    16,220.72x = 138,523,480.91
  5. Step 5: Solve for x
    x = 138,523,480.91/16,220.72
  6. Step 6: Final answer
    x = 8,539.91

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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.