Home / 16,657.72-23,006.55-11,343.31

Finding the Fourth Proportional to 16,657.72, 23,006.55 and 11,343.31

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Solution

The fourth proportional to 16,657.72, 23,006.55 and 11,343.31 is: 15,666.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,657.72 : 23,006.55 = 11,343.31 : x
  2. Step 2: Convert to fraction form
    16,657.72/23,006.55 = 11,343.31/x
  3. Step 3: Cross multiply
    16,657.72x = 23,006.55 × 11,343.31
  4. Step 4: Simplify right side
    16,657.72x = 260,970,428.68
  5. Step 5: Solve for x
    x = 260,970,428.68/16,657.72
  6. Step 6: Final answer
    x = 15,666.64

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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.