Home / 23,429.90-32,332.82-12,819.30

Finding the Fourth Proportional to 23,429.90, 32,332.82 and 12,819.30

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Solution

The fourth proportional to 23,429.90, 32,332.82 and 12,819.30 is: 17,690.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,429.90 : 32,332.82 = 12,819.30 : x
  2. Step 2: Convert to fraction form
    23,429.90/32,332.82 = 12,819.30/x
  3. Step 3: Cross multiply
    23,429.90x = 32,332.82 × 12,819.30
  4. Step 4: Simplify right side
    23,429.90x = 414,484,119.43
  5. Step 5: Solve for x
    x = 414,484,119.43/23,429.90
  6. Step 6: Final answer
    x = 17,690.39

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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.