Home / 14,754.90-22,129-4,224.80

Finding the Fourth Proportional to 14,754.90, 22,129 and 4,224.80

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Solution

The fourth proportional to 14,754.90, 22,129 and 4,224.80 is: 6,336.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,754.90 : 22,129 = 4,224.80 : x
  2. Step 2: Convert to fraction form
    14,754.90/22,129 = 4,224.80/x
  3. Step 3: Cross multiply
    14,754.90x = 22,129 × 4,224.80
  4. Step 4: Simplify right side
    14,754.90x = 93,490,599.20
  5. Step 5: Solve for x
    x = 93,490,599.20/14,754.90
  6. Step 6: Final answer
    x = 6,336.24

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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.