Home / 13,327.95-18,392.45-7,359.49

Finding the Fourth Proportional to 13,327.95, 18,392.45 and 7,359.49

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Solution

The fourth proportional to 13,327.95, 18,392.45 and 7,359.49 is: 10,156.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,327.95 : 18,392.45 = 7,359.49 : x
  2. Step 2: Convert to fraction form
    13,327.95/18,392.45 = 7,359.49/x
  3. Step 3: Cross multiply
    13,327.95x = 18,392.45 × 7,359.49
  4. Step 4: Simplify right side
    13,327.95x = 135,359,051.85
  5. Step 5: Solve for x
    x = 135,359,051.85/13,327.95
  6. Step 6: Final answer
    x = 10,156.03

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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.