Home / 18,504.45-25,530.15-10,545.18

Finding the Fourth Proportional to 18,504.45, 25,530.15 and 10,545.18

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Solution

The fourth proportional to 18,504.45, 25,530.15 and 10,545.18 is: 14,548.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,504.45 : 25,530.15 = 10,545.18 : x
  2. Step 2: Convert to fraction form
    18,504.45/25,530.15 = 10,545.18/x
  3. Step 3: Cross multiply
    18,504.45x = 25,530.15 × 10,545.18
  4. Step 4: Simplify right side
    18,504.45x = 269,220,027.18
  5. Step 5: Solve for x
    x = 269,220,027.18/18,504.45
  6. Step 6: Final answer
    x = 14,548.93

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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.