Home / 12,047.94-18,154.23-9,904.68

Finding the Fourth Proportional to 12,047.94, 18,154.23 and 9,904.68

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Solution

The fourth proportional to 12,047.94, 18,154.23 and 9,904.68 is: 14,924.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,047.94 : 18,154.23 = 9,904.68 : x
  2. Step 2: Convert to fraction form
    12,047.94/18,154.23 = 9,904.68/x
  3. Step 3: Cross multiply
    12,047.94x = 18,154.23 × 9,904.68
  4. Step 4: Simplify right side
    12,047.94x = 179,811,801.65
  5. Step 5: Solve for x
    x = 179,811,801.65/12,047.94
  6. Step 6: Final answer
    x = 14,924.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.