Home / 14,124.09-19,485.68-8,154.61

Finding the Fourth Proportional to 14,124.09, 19,485.68 and 8,154.61

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Solution

The fourth proportional to 14,124.09, 19,485.68 and 8,154.61 is: 11,250.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,124.09 : 19,485.68 = 8,154.61 : x
  2. Step 2: Convert to fraction form
    14,124.09/19,485.68 = 8,154.61/x
  3. Step 3: Cross multiply
    14,124.09x = 19,485.68 × 8,154.61
  4. Step 4: Simplify right side
    14,124.09x = 158,898,092.66
  5. Step 5: Solve for x
    x = 158,898,092.66/14,124.09
  6. Step 6: Final answer
    x = 11,250.15

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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.