Home / 23,555.16-32,506.62-12,945.48

Finding the Fourth Proportional to 23,555.16, 32,506.62 and 12,945.48

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Solution

The fourth proportional to 23,555.16, 32,506.62 and 12,945.48 is: 17,865.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,555.16 : 32,506.62 = 12,945.48 : x
  2. Step 2: Convert to fraction form
    23,555.16/32,506.62 = 12,945.48/x
  3. Step 3: Cross multiply
    23,555.16x = 32,506.62 × 12,945.48
  4. Step 4: Simplify right side
    23,555.16x = 420,813,799.08
  5. Step 5: Solve for x
    x = 420,813,799.08/23,555.16
  6. Step 6: Final answer
    x = 17,865.04

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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.