Home / 23,453.28-32,364.28-12,840.88

Finding the Fourth Proportional to 23,453.28, 32,364.28 and 12,840.88

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Solution

The fourth proportional to 23,453.28, 32,364.28 and 12,840.88 is: 17,719.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,453.28 : 32,364.28 = 12,840.88 : x
  2. Step 2: Convert to fraction form
    23,453.28/32,364.28 = 12,840.88/x
  3. Step 3: Cross multiply
    23,453.28x = 32,364.28 × 12,840.88
  4. Step 4: Simplify right side
    23,453.28x = 415,585,835.77
  5. Step 5: Solve for x
    x = 415,585,835.77/23,453.28
  6. Step 6: Final answer
    x = 17,719.73

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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.