Home / 13,366.50-18,424.52-10,529.38

Finding the Fourth Proportional to 13,366.50, 18,424.52 and 10,529.38

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Solution

The fourth proportional to 13,366.50, 18,424.52 and 10,529.38 is: 14,513.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,366.50 : 18,424.52 = 10,529.38 : x
  2. Step 2: Convert to fraction form
    13,366.50/18,424.52 = 10,529.38/x
  3. Step 3: Cross multiply
    13,366.50x = 18,424.52 × 10,529.38
  4. Step 4: Simplify right side
    13,366.50x = 193,998,772.40
  5. Step 5: Solve for x
    x = 193,998,772.40/13,366.50
  6. Step 6: Final answer
    x = 14,513.80

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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.