Home / 23,555.76-32,507.09-12,800.72

Finding the Fourth Proportional to 23,555.76, 32,507.09 and 12,800.72

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Solution

The fourth proportional to 23,555.76, 32,507.09 and 12,800.72 is: 17,665.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,555.76 : 32,507.09 = 12,800.72 : x
  2. Step 2: Convert to fraction form
    23,555.76/32,507.09 = 12,800.72/x
  3. Step 3: Cross multiply
    23,555.76x = 32,507.09 × 12,800.72
  4. Step 4: Simplify right side
    23,555.76x = 416,113,930.57
  5. Step 5: Solve for x
    x = 416,113,930.57/23,555.76
  6. Step 6: Final answer
    x = 17,665.06

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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.