Home / 15,797.07-21,798.45-9,425.61

Finding the Fourth Proportional to 15,797.07, 21,798.45 and 9,425.61

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Solution

The fourth proportional to 15,797.07, 21,798.45 and 9,425.61 is: 13,006.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,797.07 : 21,798.45 = 9,425.61 : x
  2. Step 2: Convert to fraction form
    15,797.07/21,798.45 = 9,425.61/x
  3. Step 3: Cross multiply
    15,797.07x = 21,798.45 × 9,425.61
  4. Step 4: Simplify right side
    15,797.07x = 205,463,688.30
  5. Step 5: Solve for x
    x = 205,463,688.30/15,797.07
  6. Step 6: Final answer
    x = 13,006.44

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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.