Home / 39,175.01-58,769.80-12,898.20

Finding the Fourth Proportional to 39,175.01, 58,769.80 and 12,898.20

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Solution

The fourth proportional to 39,175.01, 58,769.80 and 12,898.20 is: 19,349.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,175.01 : 58,769.80 = 12,898.20 : x
  2. Step 2: Convert to fraction form
    39,175.01/58,769.80 = 12,898.20/x
  3. Step 3: Cross multiply
    39,175.01x = 58,769.80 × 12,898.20
  4. Step 4: Simplify right side
    39,175.01x = 758,024,634.36
  5. Step 5: Solve for x
    x = 758,024,634.36/39,175.01
  6. Step 6: Final answer
    x = 19,349.70

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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.