Home / 23,705.91-32,720.49-13,635.45

Finding the Fourth Proportional to 23,705.91, 32,720.49 and 13,635.45

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Solution

The fourth proportional to 23,705.91, 32,720.49 and 13,635.45 is: 18,820.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,705.91 : 32,720.49 = 13,635.45 : x
  2. Step 2: Convert to fraction form
    23,705.91/32,720.49 = 13,635.45/x
  3. Step 3: Cross multiply
    23,705.91x = 32,720.49 × 13,635.45
  4. Step 4: Simplify right side
    23,705.91x = 446,158,605.37
  5. Step 5: Solve for x
    x = 446,158,605.37/23,705.91
  6. Step 6: Final answer
    x = 18,820.56

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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.