Home / 19,730.87-29,592.75-5,687.45

Finding the Fourth Proportional to 19,730.87, 29,592.75 and 5,687.45

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Solution

The fourth proportional to 19,730.87, 29,592.75 and 5,687.45 is: 8,530.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,730.87 : 29,592.75 = 5,687.45 : x
  2. Step 2: Convert to fraction form
    19,730.87/29,592.75 = 5,687.45/x
  3. Step 3: Cross multiply
    19,730.87x = 29,592.75 × 5,687.45
  4. Step 4: Simplify right side
    19,730.87x = 168,307,285.99
  5. Step 5: Solve for x
    x = 168,307,285.99/19,730.87
  6. Step 6: Final answer
    x = 8,530.15

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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.