Home / 18,576.20-25,636.95-10,616.90

Finding the Fourth Proportional to 18,576.20, 25,636.95 and 10,616.90

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Solution

The fourth proportional to 18,576.20, 25,636.95 and 10,616.90 is: 14,652.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,576.20 : 25,636.95 = 10,616.90 : x
  2. Step 2: Convert to fraction form
    18,576.20/25,636.95 = 10,616.90/x
  3. Step 3: Cross multiply
    18,576.20x = 25,636.95 × 10,616.90
  4. Step 4: Simplify right side
    18,576.20x = 272,184,998.55
  5. Step 5: Solve for x
    x = 272,184,998.55/18,576.20
  6. Step 6: Final answer
    x = 14,652.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.