Home / 14,719.28-22,079.18-4,189.57

Finding the Fourth Proportional to 14,719.28, 22,079.18 and 4,189.57

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Solution

The fourth proportional to 14,719.28, 22,079.18 and 4,189.57 is: 6,284.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,719.28 : 22,079.18 = 4,189.57 : x
  2. Step 2: Convert to fraction form
    14,719.28/22,079.18 = 4,189.57/x
  3. Step 3: Cross multiply
    14,719.28x = 22,079.18 × 4,189.57
  4. Step 4: Simplify right side
    14,719.28x = 92,502,323.11
  5. Step 5: Solve for x
    x = 92,502,323.11/14,719.28
  6. Step 6: Final answer
    x = 6,284.43

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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.