Home / 18,513.64-25,548.19-10,558.43

Finding the Fourth Proportional to 18,513.64, 25,548.19 and 10,558.43

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Solution

The fourth proportional to 18,513.64, 25,548.19 and 10,558.43 is: 14,570.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,513.64 : 25,548.19 = 10,558.43 : x
  2. Step 2: Convert to fraction form
    18,513.64/25,548.19 = 10,558.43/x
  3. Step 3: Cross multiply
    18,513.64x = 25,548.19 × 10,558.43
  4. Step 4: Simplify right side
    18,513.64x = 269,748,717.41
  5. Step 5: Solve for x
    x = 269,748,717.41/18,513.64
  6. Step 6: Final answer
    x = 14,570.27

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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.