Home / 19,641.24-29,450.88-6,490.08

Finding the Fourth Proportional to 19,641.24, 29,450.88 and 6,490.08

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Solution

The fourth proportional to 19,641.24, 29,450.88 and 6,490.08 is: 9,731.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,641.24 : 29,450.88 = 6,490.08 : x
  2. Step 2: Convert to fraction form
    19,641.24/29,450.88 = 6,490.08/x
  3. Step 3: Cross multiply
    19,641.24x = 29,450.88 × 6,490.08
  4. Step 4: Simplify right side
    19,641.24x = 191,138,567.27
  5. Step 5: Solve for x
    x = 191,138,567.27/19,641.24
  6. Step 6: Final answer
    x = 9,731.49

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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.