Home / 13,557.24-18,695.84-10,571.98

Finding the Fourth Proportional to 13,557.24, 18,695.84 and 10,571.98

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Solution

The fourth proportional to 13,557.24, 18,695.84 and 10,571.98 is: 14,579.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,557.24 : 18,695.84 = 10,571.98 : x
  2. Step 2: Convert to fraction form
    13,557.24/18,695.84 = 10,571.98/x
  3. Step 3: Cross multiply
    13,557.24x = 18,695.84 × 10,571.98
  4. Step 4: Simplify right side
    13,557.24x = 197,652,046.56
  5. Step 5: Solve for x
    x = 197,652,046.56/13,557.24
  6. Step 6: Final answer
    x = 14,579.08

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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.