Home / 14,440.74-19,928.06-8,471.26

Finding the Fourth Proportional to 14,440.74, 19,928.06 and 8,471.26

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Solution

The fourth proportional to 14,440.74, 19,928.06 and 8,471.26 is: 11,690.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,440.74 : 19,928.06 = 8,471.26 : x
  2. Step 2: Convert to fraction form
    14,440.74/19,928.06 = 8,471.26/x
  3. Step 3: Cross multiply
    14,440.74x = 19,928.06 × 8,471.26
  4. Step 4: Simplify right side
    14,440.74x = 168,815,777.56
  5. Step 5: Solve for x
    x = 168,815,777.56/14,440.74
  6. Step 6: Final answer
    x = 11,690.24

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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.