Home / 13,793.04-19,035.72-8,490.96

Finding the Fourth Proportional to 13,793.04, 19,035.72 and 8,490.96

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Solution

The fourth proportional to 13,793.04, 19,035.72 and 8,490.96 is: 11,718.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,793.04 : 19,035.72 = 8,490.96 : x
  2. Step 2: Convert to fraction form
    13,793.04/19,035.72 = 8,490.96/x
  3. Step 3: Cross multiply
    13,793.04x = 19,035.72 × 8,490.96
  4. Step 4: Simplify right side
    13,793.04x = 161,631,537.09
  5. Step 5: Solve for x
    x = 161,631,537.09/13,793.04
  6. Step 6: Final answer
    x = 11,718.34

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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.