Home / 19,397.52-26,784.36-15,813.04

Finding the Fourth Proportional to 19,397.52, 26,784.36 and 15,813.04

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Solution

The fourth proportional to 19,397.52, 26,784.36 and 15,813.04 is: 21,834.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,397.52 : 26,784.36 = 15,813.04 : x
  2. Step 2: Convert to fraction form
    19,397.52/26,784.36 = 15,813.04/x
  3. Step 3: Cross multiply
    19,397.52x = 26,784.36 × 15,813.04
  4. Step 4: Simplify right side
    19,397.52x = 423,542,156.05
  5. Step 5: Solve for x
    x = 423,542,156.05/19,397.52
  6. Step 6: Final answer
    x = 21,834.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.