Home / 16,845.87-23,246.22-9,291.81

Finding the Fourth Proportional to 16,845.87, 23,246.22 and 9,291.81

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Solution

The fourth proportional to 16,845.87, 23,246.22 and 9,291.81 is: 12,822.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,845.87 : 23,246.22 = 9,291.81 : x
  2. Step 2: Convert to fraction form
    16,845.87/23,246.22 = 9,291.81/x
  3. Step 3: Cross multiply
    16,845.87x = 23,246.22 × 9,291.81
  4. Step 4: Simplify right side
    16,845.87x = 215,999,459.46
  5. Step 5: Solve for x
    x = 215,999,459.46/16,845.87
  6. Step 6: Final answer
    x = 12,822.10

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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.