Home / 18,266.55-25,205.31-10,199.22

Finding the Fourth Proportional to 18,266.55, 25,205.31 and 10,199.22

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Solution

The fourth proportional to 18,266.55, 25,205.31 and 10,199.22 is: 14,073.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,266.55 : 25,205.31 = 10,199.22 : x
  2. Step 2: Convert to fraction form
    18,266.55/25,205.31 = 10,199.22/x
  3. Step 3: Cross multiply
    18,266.55x = 25,205.31 × 10,199.22
  4. Step 4: Simplify right side
    18,266.55x = 257,074,501.86
  5. Step 5: Solve for x
    x = 257,074,501.86/18,266.55
  6. Step 6: Final answer
    x = 14,073.51

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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.