Home / 19,459.24-29,187.06-5,419.48

Finding the Fourth Proportional to 19,459.24, 29,187.06 and 5,419.48

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Solution

The fourth proportional to 19,459.24, 29,187.06 and 5,419.48 is: 8,128.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,459.24 : 29,187.06 = 5,419.48 : x
  2. Step 2: Convert to fraction form
    19,459.24/29,187.06 = 5,419.48/x
  3. Step 3: Cross multiply
    19,459.24x = 29,187.06 × 5,419.48
  4. Step 4: Simplify right side
    19,459.24x = 158,178,687.93
  5. Step 5: Solve for x
    x = 158,178,687.93/19,459.24
  6. Step 6: Final answer
    x = 8,128.72

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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.