Home / 13,529.30-18,670.37-7,560.96

Finding the Fourth Proportional to 13,529.30, 18,670.37 and 7,560.96

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Solution

The fourth proportional to 13,529.30, 18,670.37 and 7,560.96 is: 10,434.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,529.30 : 18,670.37 = 7,560.96 : x
  2. Step 2: Convert to fraction form
    13,529.30/18,670.37 = 7,560.96/x
  3. Step 3: Cross multiply
    13,529.30x = 18,670.37 × 7,560.96
  4. Step 4: Simplify right side
    13,529.30x = 141,165,812.94
  5. Step 5: Solve for x
    x = 141,165,812.94/13,529.30
  6. Step 6: Final answer
    x = 10,434.08

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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.