Home / 23,490.69-32,416.49-13,418.93

Finding the Fourth Proportional to 23,490.69, 32,416.49 and 13,418.93

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Solution

The fourth proportional to 23,490.69, 32,416.49 and 13,418.93 is: 18,517.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,490.69 : 32,416.49 = 13,418.93 : x
  2. Step 2: Convert to fraction form
    23,490.69/32,416.49 = 13,418.93/x
  3. Step 3: Cross multiply
    23,490.69x = 32,416.49 × 13,418.93
  4. Step 4: Simplify right side
    23,490.69x = 434,994,380.98
  5. Step 5: Solve for x
    x = 434,994,380.98/23,490.69
  6. Step 6: Final answer
    x = 18,517.74

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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.