Home / 14,838.09-20,476.26-8,123.55

Finding the Fourth Proportional to 14,838.09, 20,476.26 and 8,123.55

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Solution

The fourth proportional to 14,838.09, 20,476.26 and 8,123.55 is: 11,210.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,838.09 : 20,476.26 = 8,123.55 : x
  2. Step 2: Convert to fraction form
    14,838.09/20,476.26 = 8,123.55/x
  3. Step 3: Cross multiply
    14,838.09x = 20,476.26 × 8,123.55
  4. Step 4: Simplify right side
    14,838.09x = 166,339,921.92
  5. Step 5: Solve for x
    x = 166,339,921.92/14,838.09
  6. Step 6: Final answer
    x = 11,210.33

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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.