Home / 17,613.64-26,420.46-9,405.64

Finding the Fourth Proportional to 17,613.64, 26,420.46 and 9,405.64

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Solution

The fourth proportional to 17,613.64, 26,420.46 and 9,405.64 is: 14,108.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,613.64 : 26,420.46 = 9,405.64 : x
  2. Step 2: Convert to fraction form
    17,613.64/26,420.46 = 9,405.64/x
  3. Step 3: Cross multiply
    17,613.64x = 26,420.46 × 9,405.64
  4. Step 4: Simplify right side
    17,613.64x = 248,501,335.39
  5. Step 5: Solve for x
    x = 248,501,335.39/17,613.64
  6. Step 6: Final answer
    x = 14,108.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.