Home / 19,627.18-29,437.89-6,479.98

Finding the Fourth Proportional to 19,627.18, 29,437.89 and 6,479.98

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Solution

The fourth proportional to 19,627.18, 29,437.89 and 6,479.98 is: 9,719.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,627.18 : 29,437.89 = 6,479.98 : x
  2. Step 2: Convert to fraction form
    19,627.18/29,437.89 = 6,479.98/x
  3. Step 3: Cross multiply
    19,627.18x = 29,437.89 × 6,479.98
  4. Step 4: Simplify right side
    19,627.18x = 190,756,938.44
  5. Step 5: Solve for x
    x = 190,756,938.44/19,627.18
  6. Step 6: Final answer
    x = 9,719.02

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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.