Home / 18,455.72-25,468.96-10,072.22

Finding the Fourth Proportional to 18,455.72, 25,468.96 and 10,072.22

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Solution

The fourth proportional to 18,455.72, 25,468.96 and 10,072.22 is: 13,899.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,455.72 : 25,468.96 = 10,072.22 : x
  2. Step 2: Convert to fraction form
    18,455.72/25,468.96 = 10,072.22/x
  3. Step 3: Cross multiply
    18,455.72x = 25,468.96 × 10,072.22
  4. Step 4: Simplify right side
    18,455.72x = 256,528,968.29
  5. Step 5: Solve for x
    x = 256,528,968.29/18,455.72
  6. Step 6: Final answer
    x = 13,899.70

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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.