Home / 16,812.24-23,200.70-9,258.40

Finding the Fourth Proportional to 16,812.24, 23,200.70 and 9,258.40

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Solution

The fourth proportional to 16,812.24, 23,200.70 and 9,258.40 is: 12,776.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,812.24 : 23,200.70 = 9,258.40 : x
  2. Step 2: Convert to fraction form
    16,812.24/23,200.70 = 9,258.40/x
  3. Step 3: Cross multiply
    16,812.24x = 23,200.70 × 9,258.40
  4. Step 4: Simplify right side
    16,812.24x = 214,801,360.88
  5. Step 5: Solve for x
    x = 214,801,360.88/16,812.24
  6. Step 6: Final answer
    x = 12,776.49

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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.