Home / 18,035.47-24,896.31-15,507.43

Finding the Fourth Proportional to 18,035.47, 24,896.31 and 15,507.43

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Solution

The fourth proportional to 18,035.47, 24,896.31 and 15,507.43 is: 21,406.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,035.47 : 24,896.31 = 15,507.43 : x
  2. Step 2: Convert to fraction form
    18,035.47/24,896.31 = 15,507.43/x
  3. Step 3: Cross multiply
    18,035.47x = 24,896.31 × 15,507.43
  4. Step 4: Simplify right side
    18,035.47x = 386,077,784.58
  5. Step 5: Solve for x
    x = 386,077,784.58/18,035.47
  6. Step 6: Final answer
    x = 21,406.58

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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.