Home / 14,124.40-21,170.40-5,800.30

Finding the Fourth Proportional to 14,124.40, 21,170.40 and 5,800.30

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Solution

The fourth proportional to 14,124.40, 21,170.40 and 5,800.30 is: 8,693.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,124.40 : 21,170.40 = 5,800.30 : x
  2. Step 2: Convert to fraction form
    14,124.40/21,170.40 = 5,800.30/x
  3. Step 3: Cross multiply
    14,124.40x = 21,170.40 × 5,800.30
  4. Step 4: Simplify right side
    14,124.40x = 122,794,671.12
  5. Step 5: Solve for x
    x = 122,794,671.12/14,124.40
  6. Step 6: Final answer
    x = 8,693.80

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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.