Home / 16,977.03-23,428.98-9,320.60

Finding the Fourth Proportional to 16,977.03, 23,428.98 and 9,320.60

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Solution

The fourth proportional to 16,977.03, 23,428.98 and 9,320.60 is: 12,862.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,977.03 : 23,428.98 = 9,320.60 : x
  2. Step 2: Convert to fraction form
    16,977.03/23,428.98 = 9,320.60/x
  3. Step 3: Cross multiply
    16,977.03x = 23,428.98 × 9,320.60
  4. Step 4: Simplify right side
    16,977.03x = 218,372,209.56
  5. Step 5: Solve for x
    x = 218,372,209.56/16,977.03
  6. Step 6: Final answer
    x = 12,862.81

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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.