Home / 14,220.77-21,331.55-4,361.04

Finding the Fourth Proportional to 14,220.77, 21,331.55 and 4,361.04

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Solution

The fourth proportional to 14,220.77, 21,331.55 and 4,361.04 is: 6,541.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,220.77 : 21,331.55 = 4,361.04 : x
  2. Step 2: Convert to fraction form
    14,220.77/21,331.55 = 4,361.04/x
  3. Step 3: Cross multiply
    14,220.77x = 21,331.55 × 4,361.04
  4. Step 4: Simplify right side
    14,220.77x = 93,027,753.71
  5. Step 5: Solve for x
    x = 93,027,753.71/14,220.77
  6. Step 6: Final answer
    x = 6,541.68

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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.