Home / 18,562.24-25,616.40-10,605.76

Finding the Fourth Proportional to 18,562.24, 25,616.40 and 10,605.76

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Solution

The fourth proportional to 18,562.24, 25,616.40 and 10,605.76 is: 14,636.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,562.24 : 25,616.40 = 10,605.76 : x
  2. Step 2: Convert to fraction form
    18,562.24/25,616.40 = 10,605.76/x
  3. Step 3: Cross multiply
    18,562.24x = 25,616.40 × 10,605.76
  4. Step 4: Simplify right side
    18,562.24x = 271,681,390.46
  5. Step 5: Solve for x
    x = 271,681,390.46/18,562.24
  6. Step 6: Final answer
    x = 14,636.24

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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.