Home / 19,731.90-29,602.59-6,584.40

Finding the Fourth Proportional to 19,731.90, 29,602.59 and 6,584.40

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Solution

The fourth proportional to 19,731.90, 29,602.59 and 6,584.40 is: 9,878.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,731.90 : 29,602.59 = 6,584.40 : x
  2. Step 2: Convert to fraction form
    19,731.90/29,602.59 = 6,584.40/x
  3. Step 3: Cross multiply
    19,731.90x = 29,602.59 × 6,584.40
  4. Step 4: Simplify right side
    19,731.90x = 194,915,293.60
  5. Step 5: Solve for x
    x = 194,915,293.60/19,731.90
  6. Step 6: Final answer
    x = 9,878.18

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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.