Home / 18,125.22-25,012.35-10,167.30

Finding the Fourth Proportional to 18,125.22, 25,012.35 and 10,167.30

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Solution

The fourth proportional to 18,125.22, 25,012.35 and 10,167.30 is: 14,030.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,125.22 : 25,012.35 = 10,167.30 : x
  2. Step 2: Convert to fraction form
    18,125.22/25,012.35 = 10,167.30/x
  3. Step 3: Cross multiply
    18,125.22x = 25,012.35 × 10,167.30
  4. Step 4: Simplify right side
    18,125.22x = 254,308,066.16
  5. Step 5: Solve for x
    x = 254,308,066.16/18,125.22
  6. Step 6: Final answer
    x = 14,030.62

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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.