Home / 16,720.06-23,073.06-9,166.22

Finding the Fourth Proportional to 16,720.06, 23,073.06 and 9,166.22

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Solution

The fourth proportional to 16,720.06, 23,073.06 and 9,166.22 is: 12,649.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,720.06 : 23,073.06 = 9,166.22 : x
  2. Step 2: Convert to fraction form
    16,720.06/23,073.06 = 9,166.22/x
  3. Step 3: Cross multiply
    16,720.06x = 23,073.06 × 9,166.22
  4. Step 4: Simplify right side
    16,720.06x = 211,492,744.03
  5. Step 5: Solve for x
    x = 211,492,744.03/16,720.06
  6. Step 6: Final answer
    x = 12,649.05

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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.