Home / 20,852.92-28,774.38-16,614.74

Finding the Fourth Proportional to 20,852.92, 28,774.38 and 16,614.74

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Solution

The fourth proportional to 20,852.92, 28,774.38 and 16,614.74 is: 22,926.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,852.92 : 28,774.38 = 16,614.74 : x
  2. Step 2: Convert to fraction form
    20,852.92/28,774.38 = 16,614.74/x
  3. Step 3: Cross multiply
    20,852.92x = 28,774.38 × 16,614.74
  4. Step 4: Simplify right side
    20,852.92x = 478,078,842.36
  5. Step 5: Solve for x
    x = 478,078,842.36/20,852.92
  6. Step 6: Final answer
    x = 22,926.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.