Home / 14,219.90-21,331.50-5,898.86

Finding the Fourth Proportional to 14,219.90, 21,331.50 and 5,898.86

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Solution

The fourth proportional to 14,219.90, 21,331.50 and 5,898.86 is: 8,848.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,219.90 : 21,331.50 = 5,898.86 : x
  2. Step 2: Convert to fraction form
    14,219.90/21,331.50 = 5,898.86/x
  3. Step 3: Cross multiply
    14,219.90x = 21,331.50 × 5,898.86
  4. Step 4: Simplify right side
    14,219.90x = 125,831,532.09
  5. Step 5: Solve for x
    x = 125,831,532.09/14,219.90
  6. Step 6: Final answer
    x = 8,848.97

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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.