Home / 23,320.13-32,180.84-12,709.54

Finding the Fourth Proportional to 23,320.13, 32,180.84 and 12,709.54

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Solution

The fourth proportional to 23,320.13, 32,180.84 and 12,709.54 is: 17,538.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,320.13 : 32,180.84 = 12,709.54 : x
  2. Step 2: Convert to fraction form
    23,320.13/32,180.84 = 12,709.54/x
  3. Step 3: Cross multiply
    23,320.13x = 32,180.84 × 12,709.54
  4. Step 4: Simplify right side
    23,320.13x = 409,003,512.31
  5. Step 5: Solve for x
    x = 409,003,512.31/23,320.13
  6. Step 6: Final answer
    x = 17,538.65

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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.