Home / 14,104.10-21,157.20-4,744.10

Finding the Fourth Proportional to 14,104.10, 21,157.20 and 4,744.10

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Solution

The fourth proportional to 14,104.10, 21,157.20 and 4,744.10 is: 7,116.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,104.10 : 21,157.20 = 4,744.10 : x
  2. Step 2: Convert to fraction form
    14,104.10/21,157.20 = 4,744.10/x
  3. Step 3: Cross multiply
    14,104.10x = 21,157.20 × 4,744.10
  4. Step 4: Simplify right side
    14,104.10x = 100,371,925.41
  5. Step 5: Solve for x
    x = 100,371,925.41/14,104.10
  6. Step 6: Final answer
    x = 7,116.51

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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.