Home / 19,477.18-29,218.60-6,145.65

Finding the Fourth Proportional to 19,477.18, 29,218.60 and 6,145.65

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Solution

The fourth proportional to 19,477.18, 29,218.60 and 6,145.65 is: 9,219.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,477.18 : 29,218.60 = 6,145.65 : x
  2. Step 2: Convert to fraction form
    19,477.18/29,218.60 = 6,145.65/x
  3. Step 3: Cross multiply
    19,477.18x = 29,218.60 × 6,145.65
  4. Step 4: Simplify right side
    19,477.18x = 179,567,197.31
  5. Step 5: Solve for x
    x = 179,567,197.31/19,477.18
  6. Step 6: Final answer
    x = 9,219.36

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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.