Home / 19,217.88-26,520.68-10,385.88

Finding the Fourth Proportional to 19,217.88, 26,520.68 and 10,385.88

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Solution

The fourth proportional to 19,217.88, 26,520.68 and 10,385.88 is: 14,332.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,217.88 : 26,520.68 = 10,385.88 : x
  2. Step 2: Convert to fraction form
    19,217.88/26,520.68 = 10,385.88/x
  3. Step 3: Cross multiply
    19,217.88x = 26,520.68 × 10,385.88
  4. Step 4: Simplify right side
    19,217.88x = 275,440,600.00
  5. Step 5: Solve for x
    x = 275,440,600.00/19,217.88
  6. Step 6: Final answer
    x = 14,332.52

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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.