Home / 22,265.94-33,345.90-12,886.20

Finding the Fourth Proportional to 22,265.94, 33,345.90 and 12,886.20

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Solution

The fourth proportional to 22,265.94, 33,345.90 and 12,886.20 is: 19,298.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,265.94 : 33,345.90 = 12,886.20 : x
  2. Step 2: Convert to fraction form
    22,265.94/33,345.90 = 12,886.20/x
  3. Step 3: Cross multiply
    22,265.94x = 33,345.90 × 12,886.20
  4. Step 4: Simplify right side
    22,265.94x = 429,701,936.58
  5. Step 5: Solve for x
    x = 429,701,936.58/22,265.94
  6. Step 6: Final answer
    x = 19,298.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.