Home / 14,704.06-20,292.51-8,416.30

Finding the Fourth Proportional to 14,704.06, 20,292.51 and 8,416.30

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Solution

The fourth proportional to 14,704.06, 20,292.51 and 8,416.30 is: 11,615.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,704.06 : 20,292.51 = 8,416.30 : x
  2. Step 2: Convert to fraction form
    14,704.06/20,292.51 = 8,416.30/x
  3. Step 3: Cross multiply
    14,704.06x = 20,292.51 × 8,416.30
  4. Step 4: Simplify right side
    14,704.06x = 170,787,851.91
  5. Step 5: Solve for x
    x = 170,787,851.91/14,704.06
  6. Step 6: Final answer
    x = 11,615.01

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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.