Home / 20,106.02-27,748.27-16,742.90

Finding the Fourth Proportional to 20,106.02, 27,748.27 and 16,742.90

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Solution

The fourth proportional to 20,106.02, 27,748.27 and 16,742.90 is: 23,106.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,106.02 : 27,748.27 = 16,742.90 : x
  2. Step 2: Convert to fraction form
    20,106.02/27,748.27 = 16,742.90/x
  3. Step 3: Cross multiply
    20,106.02x = 27,748.27 × 16,742.90
  4. Step 4: Simplify right side
    20,106.02x = 464,586,600.08
  5. Step 5: Solve for x
    x = 464,586,600.08/20,106.02
  6. Step 6: Final answer
    x = 23,106.84

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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.