Home / 13,773.30-19,006.92-7,485.66

Finding the Fourth Proportional to 13,773.30, 19,006.92 and 7,485.66

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Solution

The fourth proportional to 13,773.30, 19,006.92 and 7,485.66 is: 10,330.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,773.30 : 19,006.92 = 7,485.66 : x
  2. Step 2: Convert to fraction form
    13,773.30/19,006.92 = 7,485.66/x
  3. Step 3: Cross multiply
    13,773.30x = 19,006.92 × 7,485.66
  4. Step 4: Simplify right side
    13,773.30x = 142,279,340.77
  5. Step 5: Solve for x
    x = 142,279,340.77/13,773.30
  6. Step 6: Final answer
    x = 10,330.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.