Home / 19,587.66-29,375.25-6,437.00

Finding the Fourth Proportional to 19,587.66, 29,375.25 and 6,437.00

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Solution

The fourth proportional to 19,587.66, 29,375.25 and 6,437.00 is: 9,653.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,587.66 : 29,375.25 = 6,437.00 : x
  2. Step 2: Convert to fraction form
    19,587.66/29,375.25 = 6,437.00/x
  3. Step 3: Cross multiply
    19,587.66x = 29,375.25 × 6,437.00
  4. Step 4: Simplify right side
    19,587.66x = 189,088,337.37
  5. Step 5: Solve for x
    x = 189,088,337.37/19,587.66
  6. Step 6: Final answer
    x = 9,653.44

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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.