Home / 23,490.21-32,415.27-13,416.66

Finding the Fourth Proportional to 23,490.21, 32,415.27 and 13,416.66

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Solution

The fourth proportional to 23,490.21, 32,415.27 and 13,416.66 is: 18,514.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,490.21 : 32,415.27 = 13,416.66 : x
  2. Step 2: Convert to fraction form
    23,490.21/32,415.27 = 13,416.66/x
  3. Step 3: Cross multiply
    23,490.21x = 32,415.27 × 13,416.66
  4. Step 4: Simplify right side
    23,490.21x = 434,904,656.40
  5. Step 5: Solve for x
    x = 434,904,656.40/23,490.21
  6. Step 6: Final answer
    x = 18,514.29

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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.