Home / 14,439.70-21,657.62-4,579.98

Finding the Fourth Proportional to 14,439.70, 21,657.62 and 4,579.98

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Solution

The fourth proportional to 14,439.70, 21,657.62 and 4,579.98 is: 6,869.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,439.70 : 21,657.62 = 4,579.98 : x
  2. Step 2: Convert to fraction form
    14,439.70/21,657.62 = 4,579.98/x
  3. Step 3: Cross multiply
    14,439.70x = 21,657.62 × 4,579.98
  4. Step 4: Simplify right side
    14,439.70x = 99,191,466.45
  5. Step 5: Solve for x
    x = 99,191,466.45/14,439.70
  6. Step 6: Final answer
    x = 6,869.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.