Home / 23,490.44-32,418.32-15,518.70

Finding the Fourth Proportional to 23,490.44, 32,418.32 and 15,518.70

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Solution

The fourth proportional to 23,490.44, 32,418.32 and 15,518.70 is: 21,416.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,490.44 : 32,418.32 = 15,518.70 : x
  2. Step 2: Convert to fraction form
    23,490.44/32,418.32 = 15,518.70/x
  3. Step 3: Cross multiply
    23,490.44x = 32,418.32 × 15,518.70
  4. Step 4: Simplify right side
    23,490.44x = 503,090,182.58
  5. Step 5: Solve for x
    x = 503,090,182.58/23,490.44
  6. Step 6: Final answer
    x = 21,416.81

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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.