Home / 18,171.10-25,005.27-16,080.22

Finding the Fourth Proportional to 18,171.10, 25,005.27 and 16,080.22

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Solution

The fourth proportional to 18,171.10, 25,005.27 and 16,080.22 is: 22,128.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,171.10 : 25,005.27 = 16,080.22 : x
  2. Step 2: Convert to fraction form
    18,171.10/25,005.27 = 16,080.22/x
  3. Step 3: Cross multiply
    18,171.10x = 25,005.27 × 16,080.22
  4. Step 4: Simplify right side
    18,171.10x = 402,090,242.76
  5. Step 5: Solve for x
    x = 402,090,242.76/18,171.10
  6. Step 6: Final answer
    x = 22,128.01

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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.