Home / 14,516.28-20,025.02-12,215.88

Finding the Fourth Proportional to 14,516.28, 20,025.02 and 12,215.88

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Solution

The fourth proportional to 14,516.28, 20,025.02 and 12,215.88 is: 16,851.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,516.28 : 20,025.02 = 12,215.88 : x
  2. Step 2: Convert to fraction form
    14,516.28/20,025.02 = 12,215.88/x
  3. Step 3: Cross multiply
    14,516.28x = 20,025.02 × 12,215.88
  4. Step 4: Simplify right side
    14,516.28x = 244,623,271.86
  5. Step 5: Solve for x
    x = 244,623,271.86/14,516.28
  6. Step 6: Final answer
    x = 16,851.65

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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.