Home / 19,217.52-26,520.30-10,720.62

Finding the Fourth Proportional to 19,217.52, 26,520.30 and 10,720.62

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Solution

The fourth proportional to 19,217.52, 26,520.30 and 10,720.62 is: 14,794.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,217.52 : 26,520.30 = 10,720.62 : x
  2. Step 2: Convert to fraction form
    19,217.52/26,520.30 = 10,720.62/x
  3. Step 3: Cross multiply
    19,217.52x = 26,520.30 × 10,720.62
  4. Step 4: Simplify right side
    19,217.52x = 284,314,058.59
  5. Step 5: Solve for x
    x = 284,314,058.59/19,217.52
  6. Step 6: Final answer
    x = 14,794.52

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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.