Home / 12,741.04-17,600.36-12,118.28

Finding the Fourth Proportional to 12,741.04, 17,600.36 and 12,118.28

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Solution

The fourth proportional to 12,741.04, 17,600.36 and 12,118.28 is: 16,740.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,741.04 : 17,600.36 = 12,118.28 : x
  2. Step 2: Convert to fraction form
    12,741.04/17,600.36 = 12,118.28/x
  3. Step 3: Cross multiply
    12,741.04x = 17,600.36 × 12,118.28
  4. Step 4: Simplify right side
    12,741.04x = 213,286,090.58
  5. Step 5: Solve for x
    x = 213,286,090.58/12,741.04
  6. Step 6: Final answer
    x = 16,740.08

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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.