Home / 14,220.90-21,336.90-5,898.81

Finding the Fourth Proportional to 14,220.90, 21,336.90 and 5,898.81

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Solution

The fourth proportional to 14,220.90, 21,336.90 and 5,898.81 is: 8,850.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,220.90 : 21,336.90 = 5,898.81 : x
  2. Step 2: Convert to fraction form
    14,220.90/21,336.90 = 5,898.81/x
  3. Step 3: Cross multiply
    14,220.90x = 21,336.90 × 5,898.81
  4. Step 4: Simplify right side
    14,220.90x = 125,862,319.09
  5. Step 5: Solve for x
    x = 125,862,319.09/14,220.90
  6. Step 6: Final answer
    x = 8,850.52

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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.