Home / 13,188.16-19,795.20-7,348.96

Finding the Fourth Proportional to 13,188.16, 19,795.20 and 7,348.96

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Solution

The fourth proportional to 13,188.16, 19,795.20 and 7,348.96 is: 11,030.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,188.16 : 19,795.20 = 7,348.96 : x
  2. Step 2: Convert to fraction form
    13,188.16/19,795.20 = 7,348.96/x
  3. Step 3: Cross multiply
    13,188.16x = 19,795.20 × 7,348.96
  4. Step 4: Simplify right side
    13,188.16x = 145,474,132.99
  5. Step 5: Solve for x
    x = 145,474,132.99/13,188.16
  6. Step 6: Final answer
    x = 11,030.66

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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.