Home / 13,748.57-20,622.85-4,983.49

Finding the Fourth Proportional to 13,748.57, 20,622.85 and 4,983.49

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Solution

The fourth proportional to 13,748.57, 20,622.85 and 4,983.49 is: 7,475.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,748.57 : 20,622.85 = 4,983.49 : x
  2. Step 2: Convert to fraction form
    13,748.57/20,622.85 = 4,983.49/x
  3. Step 3: Cross multiply
    13,748.57x = 20,622.85 × 4,983.49
  4. Step 4: Simplify right side
    13,748.57x = 102,773,638.71
  5. Step 5: Solve for x
    x = 102,773,638.71/13,748.57
  6. Step 6: Final answer
    x = 7,475.23

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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.