Home / 15,176.04-22,769.40-7,783.98

Finding the Fourth Proportional to 15,176.04, 22,769.40 and 7,783.98

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Solution

The fourth proportional to 15,176.04, 22,769.40 and 7,783.98 is: 11,678.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,176.04 : 22,769.40 = 7,783.98 : x
  2. Step 2: Convert to fraction form
    15,176.04/22,769.40 = 7,783.98/x
  3. Step 3: Cross multiply
    15,176.04x = 22,769.40 × 7,783.98
  4. Step 4: Simplify right side
    15,176.04x = 177,236,554.21
  5. Step 5: Solve for x
    x = 177,236,554.21/15,176.04
  6. Step 6: Final answer
    x = 11,678.71

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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.