Home / 14,199.90-21,302.10-4,840.80

Finding the Fourth Proportional to 14,199.90, 21,302.10 and 4,840.80

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Solution

The fourth proportional to 14,199.90, 21,302.10 and 4,840.80 is: 7,261.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,199.90 : 21,302.10 = 4,840.80 : x
  2. Step 2: Convert to fraction form
    14,199.90/21,302.10 = 4,840.80/x
  3. Step 3: Cross multiply
    14,199.90x = 21,302.10 × 4,840.80
  4. Step 4: Simplify right side
    14,199.90x = 103,119,205.68
  5. Step 5: Solve for x
    x = 103,119,205.68/14,199.90
  6. Step 6: Final answer
    x = 7,261.97

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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.