Home / 18,090.80-24,968.40-10,541.61

Finding the Fourth Proportional to 18,090.80, 24,968.40 and 10,541.61

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Solution

The fourth proportional to 18,090.80, 24,968.40 and 10,541.61 is: 14,549.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,090.80 : 24,968.40 = 10,541.61 : x
  2. Step 2: Convert to fraction form
    18,090.80/24,968.40 = 10,541.61/x
  3. Step 3: Cross multiply
    18,090.80x = 24,968.40 × 10,541.61
  4. Step 4: Simplify right side
    18,090.80x = 263,207,135.12
  5. Step 5: Solve for x
    x = 263,207,135.12/18,090.80
  6. Step 6: Final answer
    x = 14,549.23

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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.