Home / 19,834.52-29,766.16-15,985.40

Finding the Fourth Proportional to 19,834.52, 29,766.16 and 15,985.40

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Solution

The fourth proportional to 19,834.52, 29,766.16 and 15,985.40 is: 23,989.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,834.52 : 29,766.16 = 15,985.40 : x
  2. Step 2: Convert to fraction form
    19,834.52/29,766.16 = 15,985.40/x
  3. Step 3: Cross multiply
    19,834.52x = 29,766.16 × 15,985.40
  4. Step 4: Simplify right side
    19,834.52x = 475,823,974.06
  5. Step 5: Solve for x
    x = 475,823,974.06/19,834.52
  6. Step 6: Final answer
    x = 23,989.69

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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.