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Finding the Fourth Proportional to 14,010.66, 19,343.71 and 8,712.68

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Solution

The fourth proportional to 14,010.66, 19,343.71 and 8,712.68 is: 12,029.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,010.66 : 19,343.71 = 8,712.68 : x
  2. Step 2: Convert to fraction form
    14,010.66/19,343.71 = 8,712.68/x
  3. Step 3: Cross multiply
    14,010.66x = 19,343.71 × 8,712.68
  4. Step 4: Simplify right side
    14,010.66x = 168,535,555.24
  5. Step 5: Solve for x
    x = 168,535,555.24/14,010.66
  6. Step 6: Final answer
    x = 12,029.09

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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.