Home / 13,695.88-20,444.75-12,035.13

Finding the Fourth Proportional to 13,695.88, 20,444.75 and 12,035.13

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Solution

The fourth proportional to 13,695.88, 20,444.75 and 12,035.13 is: 17,965.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,695.88 : 20,444.75 = 12,035.13 : x
  2. Step 2: Convert to fraction form
    13,695.88/20,444.75 = 12,035.13/x
  3. Step 3: Cross multiply
    13,695.88x = 20,444.75 × 12,035.13
  4. Step 4: Simplify right side
    13,695.88x = 246,055,163.89
  5. Step 5: Solve for x
    x = 246,055,163.89/13,695.88
  6. Step 6: Final answer
    x = 17,965.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.