Home / 18,053.32-27,090.90-7,665.07

Finding the Fourth Proportional to 18,053.32, 27,090.90 and 7,665.07

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Solution

The fourth proportional to 18,053.32, 27,090.90 and 7,665.07 is: 11,502.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,053.32 : 27,090.90 = 7,665.07 : x
  2. Step 2: Convert to fraction form
    18,053.32/27,090.90 = 7,665.07/x
  3. Step 3: Cross multiply
    18,053.32x = 27,090.90 × 7,665.07
  4. Step 4: Simplify right side
    18,053.32x = 207,653,644.86
  5. Step 5: Solve for x
    x = 207,653,644.86/18,053.32
  6. Step 6: Final answer
    x = 11,502.24

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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.