Home / 14,005.20-19,330.47-8,704.02

Finding the Fourth Proportional to 14,005.20, 19,330.47 and 8,704.02

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Solution

The fourth proportional to 14,005.20, 19,330.47 and 8,704.02 is: 12,013.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,005.20 : 19,330.47 = 8,704.02 : x
  2. Step 2: Convert to fraction form
    14,005.20/19,330.47 = 8,704.02/x
  3. Step 3: Cross multiply
    14,005.20x = 19,330.47 × 8,704.02
  4. Step 4: Simplify right side
    14,005.20x = 168,252,797.49
  5. Step 5: Solve for x
    x = 168,252,797.49/14,005.20
  6. Step 6: Final answer
    x = 12,013.59

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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.