Home / 16,904.57-23,328.20-9,350.76

Finding the Fourth Proportional to 16,904.57, 23,328.20 and 9,350.76

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Solution

The fourth proportional to 16,904.57, 23,328.20 and 9,350.76 is: 12,903.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,904.57 : 23,328.20 = 9,350.76 : x
  2. Step 2: Convert to fraction form
    16,904.57/23,328.20 = 9,350.76/x
  3. Step 3: Cross multiply
    16,904.57x = 23,328.20 × 9,350.76
  4. Step 4: Simplify right side
    16,904.57x = 218,136,352.68
  5. Step 5: Solve for x
    x = 218,136,352.68/16,904.57
  6. Step 6: Final answer
    x = 12,903.99

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Double scale
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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.