Home / 13,592.72-18,756.60-8,288.84

Finding the Fourth Proportional to 13,592.72, 18,756.60 and 8,288.84

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Solution

The fourth proportional to 13,592.72, 18,756.60 and 8,288.84 is: 11,437.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,592.72 : 18,756.60 = 8,288.84 : x
  2. Step 2: Convert to fraction form
    13,592.72/18,756.60 = 8,288.84/x
  3. Step 3: Cross multiply
    13,592.72x = 18,756.60 × 8,288.84
  4. Step 4: Simplify right side
    13,592.72x = 155,470,456.34
  5. Step 5: Solve for x
    x = 155,470,456.34/13,592.72
  6. Step 6: Final answer
    x = 11,437.77

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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.