Home / 19,484.74-29,243.51-8,399.69

Finding the Fourth Proportional to 19,484.74, 29,243.51 and 8,399.69

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Solution

The fourth proportional to 19,484.74, 29,243.51 and 8,399.69 is: 12,606.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,484.74 : 29,243.51 = 8,399.69 : x
  2. Step 2: Convert to fraction form
    19,484.74/29,243.51 = 8,399.69/x
  3. Step 3: Cross multiply
    19,484.74x = 29,243.51 × 8,399.69
  4. Step 4: Simplify right side
    19,484.74x = 245,636,418.51
  5. Step 5: Solve for x
    x = 245,636,418.51/19,484.74
  6. Step 6: Final answer
    x = 12,606.60

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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.