Home / 16,557.37-22,857.63-12,772.03

Finding the Fourth Proportional to 16,557.37, 22,857.63 and 12,772.03

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Solution

The fourth proportional to 16,557.37, 22,857.63 and 12,772.03 is: 17,631.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,557.37 : 22,857.63 = 12,772.03 : x
  2. Step 2: Convert to fraction form
    16,557.37/22,857.63 = 12,772.03/x
  3. Step 3: Cross multiply
    16,557.37x = 22,857.63 × 12,772.03
  4. Step 4: Simplify right side
    16,557.37x = 291,938,336.09
  5. Step 5: Solve for x
    x = 291,938,336.09/16,557.37
  6. Step 6: Final answer
    x = 17,631.93

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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.