Home / 20,041.10-27,644.64-13,235.18

Finding the Fourth Proportional to 20,041.10, 27,644.64 and 13,235.18

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Solution

The fourth proportional to 20,041.10, 27,644.64 and 13,235.18 is: 18,256.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,041.10 : 27,644.64 = 13,235.18 : x
  2. Step 2: Convert to fraction form
    20,041.10/27,644.64 = 13,235.18/x
  3. Step 3: Cross multiply
    20,041.10x = 27,644.64 × 13,235.18
  4. Step 4: Simplify right side
    20,041.10x = 365,881,786.44
  5. Step 5: Solve for x
    x = 365,881,786.44/20,041.10
  6. Step 6: Final answer
    x = 18,256.57

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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.