Home / 15,562.11-21,474.86-8,846.81

Finding the Fourth Proportional to 15,562.11, 21,474.86 and 8,846.81

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Solution

The fourth proportional to 15,562.11, 21,474.86 and 8,846.81 is: 12,208.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,562.11 : 21,474.86 = 8,846.81 : x
  2. Step 2: Convert to fraction form
    15,562.11/21,474.86 = 8,846.81/x
  3. Step 3: Cross multiply
    15,562.11x = 21,474.86 × 8,846.81
  4. Step 4: Simplify right side
    15,562.11x = 189,983,854.59
  5. Step 5: Solve for x
    x = 189,983,854.59/15,562.11
  6. Step 6: Final answer
    x = 12,208.10

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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.