Home / 14,694.08-20,282.43-9,388.91

Finding the Fourth Proportional to 14,694.08, 20,282.43 and 9,388.91

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Solution

The fourth proportional to 14,694.08, 20,282.43 and 9,388.91 is: 12,959.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,694.08 : 20,282.43 = 9,388.91 : x
  2. Step 2: Convert to fraction form
    14,694.08/20,282.43 = 9,388.91/x
  3. Step 3: Cross multiply
    14,694.08x = 20,282.43 × 9,388.91
  4. Step 4: Simplify right side
    14,694.08x = 190,429,995.77
  5. Step 5: Solve for x
    x = 190,429,995.77/14,694.08
  6. Step 6: Final answer
    x = 12,959.65

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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.