Home / 19,893.48-29,813.34-7,574.76

Finding the Fourth Proportional to 19,893.48, 29,813.34 and 7,574.76

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Solution

The fourth proportional to 19,893.48, 29,813.34 and 7,574.76 is: 11,351.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,893.48 : 29,813.34 = 7,574.76 : x
  2. Step 2: Convert to fraction form
    19,893.48/29,813.34 = 7,574.76/x
  3. Step 3: Cross multiply
    19,893.48x = 29,813.34 × 7,574.76
  4. Step 4: Simplify right side
    19,893.48x = 225,828,895.30
  5. Step 5: Solve for x
    x = 225,828,895.30/19,893.48
  6. Step 6: Final answer
    x = 11,351.91

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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.