Home / 16,187.48-22,339.14-9,114.16

Finding the Fourth Proportional to 16,187.48, 22,339.14 and 9,114.16

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Solution

The fourth proportional to 16,187.48, 22,339.14 and 9,114.16 is: 12,577.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,187.48 : 22,339.14 = 9,114.16 : x
  2. Step 2: Convert to fraction form
    16,187.48/22,339.14 = 9,114.16/x
  3. Step 3: Cross multiply
    16,187.48x = 22,339.14 × 9,114.16
  4. Step 4: Simplify right side
    16,187.48x = 203,602,496.22
  5. Step 5: Solve for x
    x = 203,602,496.22/16,187.48
  6. Step 6: Final answer
    x = 12,577.78

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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.