Home / 16,720.02-23,073.46-9,166.37

Finding the Fourth Proportional to 16,720.02, 23,073.46 and 9,166.37

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Solution

The fourth proportional to 16,720.02, 23,073.46 and 9,166.37 is: 12,649.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,720.02 : 23,073.46 = 9,166.37 : x
  2. Step 2: Convert to fraction form
    16,720.02/23,073.46 = 9,166.37/x
  3. Step 3: Cross multiply
    16,720.02x = 23,073.46 × 9,166.37
  4. Step 4: Simplify right side
    16,720.02x = 211,499,733.26
  5. Step 5: Solve for x
    x = 211,499,733.26/16,720.02
  6. Step 6: Final answer
    x = 12,649.49

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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.