Home / 15,178.08-22,781.71-7,392.36

Finding the Fourth Proportional to 15,178.08, 22,781.71 and 7,392.36

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Solution

The fourth proportional to 15,178.08, 22,781.71 and 7,392.36 is: 11,095.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,178.08 : 22,781.71 = 7,392.36 : x
  2. Step 2: Convert to fraction form
    15,178.08/22,781.71 = 7,392.36/x
  3. Step 3: Cross multiply
    15,178.08x = 22,781.71 × 7,392.36
  4. Step 4: Simplify right side
    15,178.08x = 168,410,654.83
  5. Step 5: Solve for x
    x = 168,410,654.83/15,178.08
  6. Step 6: Final answer
    x = 11,095.65

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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.