Home / 16,188.08-22,338.72-9,114.32

Finding the Fourth Proportional to 16,188.08, 22,338.72 and 9,114.32

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Solution

The fourth proportional to 16,188.08, 22,338.72 and 9,114.32 is: 12,577.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,188.08 : 22,338.72 = 9,114.32 : x
  2. Step 2: Convert to fraction form
    16,188.08/22,338.72 = 9,114.32/x
  3. Step 3: Cross multiply
    16,188.08x = 22,338.72 × 9,114.32
  4. Step 4: Simplify right side
    16,188.08x = 203,602,242.47
  5. Step 5: Solve for x
    x = 203,602,242.47/16,188.08
  6. Step 6: Final answer
    x = 12,577.29

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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.