Home / 13,553.48-18,703.35-7,584.99

Finding the Fourth Proportional to 13,553.48, 18,703.35 and 7,584.99

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Solution

The fourth proportional to 13,553.48, 18,703.35 and 7,584.99 is: 10,467.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,553.48 : 18,703.35 = 7,584.99 : x
  2. Step 2: Convert to fraction form
    13,553.48/18,703.35 = 7,584.99/x
  3. Step 3: Cross multiply
    13,553.48x = 18,703.35 × 7,584.99
  4. Step 4: Simplify right side
    13,553.48x = 141,864,722.72
  5. Step 5: Solve for x
    x = 141,864,722.72/13,553.48
  6. Step 6: Final answer
    x = 10,467.04

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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.