Home / 19,610.28-29,409.12-6,459.12

Finding the Fourth Proportional to 19,610.28, 29,409.12 and 6,459.12

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Solution

The fourth proportional to 19,610.28, 29,409.12 and 6,459.12 is: 9,686.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,610.28 : 29,409.12 = 6,459.12 : x
  2. Step 2: Convert to fraction form
    19,610.28/29,409.12 = 6,459.12/x
  3. Step 3: Cross multiply
    19,610.28x = 29,409.12 × 6,459.12
  4. Step 4: Simplify right side
    19,610.28x = 189,957,035.17
  5. Step 5: Solve for x
    x = 189,957,035.17/19,610.28
  6. Step 6: Final answer
    x = 9,686.60

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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.