Home / 19,434.01-29,160.23-8,343.86

Finding the Fourth Proportional to 19,434.01, 29,160.23 and 8,343.86

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Solution

The fourth proportional to 19,434.01, 29,160.23 and 8,343.86 is: 12,519.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,434.01 : 29,160.23 = 8,343.86 : x
  2. Step 2: Convert to fraction form
    19,434.01/29,160.23 = 8,343.86/x
  3. Step 3: Cross multiply
    19,434.01x = 29,160.23 × 8,343.86
  4. Step 4: Simplify right side
    19,434.01x = 243,308,876.69
  5. Step 5: Solve for x
    x = 243,308,876.69/19,434.01
  6. Step 6: Final answer
    x = 12,519.75

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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.