Home / 15,571.25-23,339.16-13,693.47

Finding the Fourth Proportional to 15,571.25, 23,339.16 and 13,693.47

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Solution

The fourth proportional to 15,571.25, 23,339.16 and 13,693.47 is: 20,524.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,571.25 : 23,339.16 = 13,693.47 : x
  2. Step 2: Convert to fraction form
    15,571.25/23,339.16 = 13,693.47/x
  3. Step 3: Cross multiply
    15,571.25x = 23,339.16 × 13,693.47
  4. Step 4: Simplify right side
    15,571.25x = 319,593,999.76
  5. Step 5: Solve for x
    x = 319,593,999.76/15,571.25
  6. Step 6: Final answer
    x = 20,524.62

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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.