Home / 13,696.29-20,533.50-12,923.55

Finding the Fourth Proportional to 13,696.29, 20,533.50 and 12,923.55

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Solution

The fourth proportional to 13,696.29, 20,533.50 and 12,923.55 is: 19,375.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,696.29 : 20,533.50 = 12,923.55 : x
  2. Step 2: Convert to fraction form
    13,696.29/20,533.50 = 12,923.55/x
  3. Step 3: Cross multiply
    13,696.29x = 20,533.50 × 12,923.55
  4. Step 4: Simplify right side
    13,696.29x = 265,365,713.93
  5. Step 5: Solve for x
    x = 265,365,713.93/13,696.29
  6. Step 6: Final answer
    x = 19,375.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.