Home / 14,440.89-19,924.20-8,472.81

Finding the Fourth Proportional to 14,440.89, 19,924.20 and 8,472.81

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Solution

The fourth proportional to 14,440.89, 19,924.20 and 8,472.81 is: 11,690.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,440.89 : 19,924.20 = 8,472.81 : x
  2. Step 2: Convert to fraction form
    14,440.89/19,924.20 = 8,472.81/x
  3. Step 3: Cross multiply
    14,440.89x = 19,924.20 × 8,472.81
  4. Step 4: Simplify right side
    14,440.89x = 168,813,961.00
  5. Step 5: Solve for x
    x = 168,813,961.00/14,440.89
  6. Step 6: Final answer
    x = 11,690.00

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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.