Home / 13,592.08-18,748.44-9,820.78

Finding the Fourth Proportional to 13,592.08, 18,748.44 and 9,820.78

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Solution

The fourth proportional to 13,592.08, 18,748.44 and 9,820.78 is: 13,546.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,592.08 : 18,748.44 = 9,820.78 : x
  2. Step 2: Convert to fraction form
    13,592.08/18,748.44 = 9,820.78/x
  3. Step 3: Cross multiply
    13,592.08x = 18,748.44 × 9,820.78
  4. Step 4: Simplify right side
    13,592.08x = 184,124,309.19
  5. Step 5: Solve for x
    x = 184,124,309.19/13,592.08
  6. Step 6: Final answer
    x = 13,546.44

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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.