Home / 14,170.86-19,557.46-8,123.26

Finding the Fourth Proportional to 14,170.86, 19,557.46 and 8,123.26

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Solution

The fourth proportional to 14,170.86, 19,557.46 and 8,123.26 is: 11,211.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,170.86 : 19,557.46 = 8,123.26 : x
  2. Step 2: Convert to fraction form
    14,170.86/19,557.46 = 8,123.26/x
  3. Step 3: Cross multiply
    14,170.86x = 19,557.46 × 8,123.26
  4. Step 4: Simplify right side
    14,170.86x = 158,870,332.52
  5. Step 5: Solve for x
    x = 158,870,332.52/14,170.86
  6. Step 6: Final answer
    x = 11,211.06

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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.