Home / 13,154.16-19,739.45-7,610.12

Finding the Fourth Proportional to 13,154.16, 19,739.45 and 7,610.12

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Solution

The fourth proportional to 13,154.16, 19,739.45 and 7,610.12 is: 11,419.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,154.16 : 19,739.45 = 7,610.12 : x
  2. Step 2: Convert to fraction form
    13,154.16/19,739.45 = 7,610.12/x
  3. Step 3: Cross multiply
    13,154.16x = 19,739.45 × 7,610.12
  4. Step 4: Simplify right side
    13,154.16x = 150,219,446.49
  5. Step 5: Solve for x
    x = 150,219,446.49/13,154.16
  6. Step 6: Final answer
    x = 11,419.92

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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.