Home / 19,438.08-29,158.56-5,588.16

Finding the Fourth Proportional to 19,438.08, 29,158.56 and 5,588.16

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Solution

The fourth proportional to 19,438.08, 29,158.56 and 5,588.16 is: 8,382.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,438.08 : 29,158.56 = 5,588.16 : x
  2. Step 2: Convert to fraction form
    19,438.08/29,158.56 = 5,588.16/x
  3. Step 3: Cross multiply
    19,438.08x = 29,158.56 × 5,588.16
  4. Step 4: Simplify right side
    19,438.08x = 162,942,698.65
  5. Step 5: Solve for x
    x = 162,942,698.65/19,438.08
  6. Step 6: Final answer
    x = 8,382.65

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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.