Home / 14,818.13-20,456.45-11,453.33

Finding the Fourth Proportional to 14,818.13, 20,456.45 and 11,453.33

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Solution

The fourth proportional to 14,818.13, 20,456.45 and 11,453.33 is: 15,811.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,818.13 : 20,456.45 = 11,453.33 : x
  2. Step 2: Convert to fraction form
    14,818.13/20,456.45 = 11,453.33/x
  3. Step 3: Cross multiply
    14,818.13x = 20,456.45 × 11,453.33
  4. Step 4: Simplify right side
    14,818.13x = 234,294,312.93
  5. Step 5: Solve for x
    x = 234,294,312.93/14,818.13
  6. Step 6: Final answer
    x = 15,811.33

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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.