Home / 14,913.46-20,580.59-8,199.20

Finding the Fourth Proportional to 14,913.46, 20,580.59 and 8,199.20

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Solution

The fourth proportional to 14,913.46, 20,580.59 and 8,199.20 is: 11,314.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,913.46 : 20,580.59 = 8,199.20 : x
  2. Step 2: Convert to fraction form
    14,913.46/20,580.59 = 8,199.20/x
  3. Step 3: Cross multiply
    14,913.46x = 20,580.59 × 8,199.20
  4. Step 4: Simplify right side
    14,913.46x = 168,744,422.42
  5. Step 5: Solve for x
    x = 168,744,422.42/14,913.46
  6. Step 6: Final answer
    x = 11,314.91

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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.