Home / 19,424.99-29,134.26-5,386.46

Finding the Fourth Proportional to 19,424.99, 29,134.26 and 5,386.46

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Solution

The fourth proportional to 19,424.99, 29,134.26 and 5,386.46 is: 8,078.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,424.99 : 29,134.26 = 5,386.46 : x
  2. Step 2: Convert to fraction form
    19,424.99/29,134.26 = 5,386.46/x
  3. Step 3: Cross multiply
    19,424.99x = 29,134.26 × 5,386.46
  4. Step 4: Simplify right side
    19,424.99x = 156,930,526.12
  5. Step 5: Solve for x
    x = 156,930,526.12/19,424.99
  6. Step 6: Final answer
    x = 8,078.80

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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.