Home / 23,509.68-32,443.40-12,899.76

Finding the Fourth Proportional to 23,509.68, 32,443.40 and 12,899.76

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Solution

The fourth proportional to 23,509.68, 32,443.40 and 12,899.76 is: 17,801.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,509.68 : 32,443.40 = 12,899.76 : x
  2. Step 2: Convert to fraction form
    23,509.68/32,443.40 = 12,899.76/x
  3. Step 3: Cross multiply
    23,509.68x = 32,443.40 × 12,899.76
  4. Step 4: Simplify right side
    23,509.68x = 418,512,073.58
  5. Step 5: Solve for x
    x = 418,512,073.58/23,509.68
  6. Step 6: Final answer
    x = 17,801.69

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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.