Home / 16,372.08-22,573.64-12,739.18

Finding the Fourth Proportional to 16,372.08, 22,573.64 and 12,739.18

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Solution

The fourth proportional to 16,372.08, 22,573.64 and 12,739.18 is: 17,564.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,372.08 : 22,573.64 = 12,739.18 : x
  2. Step 2: Convert to fraction form
    16,372.08/22,573.64 = 12,739.18/x
  3. Step 3: Cross multiply
    16,372.08x = 22,573.64 × 12,739.18
  4. Step 4: Simplify right side
    16,372.08x = 287,569,663.22
  5. Step 5: Solve for x
    x = 287,569,663.22/16,372.08
  6. Step 6: Final answer
    x = 17,564.64

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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.