Home / 18,197.16-25,111.96-10,239.45

Finding the Fourth Proportional to 18,197.16, 25,111.96 and 10,239.45

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Solution

The fourth proportional to 18,197.16, 25,111.96 and 10,239.45 is: 14,130.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,197.16 : 25,111.96 = 10,239.45 : x
  2. Step 2: Convert to fraction form
    18,197.16/25,111.96 = 10,239.45/x
  3. Step 3: Cross multiply
    18,197.16x = 25,111.96 × 10,239.45
  4. Step 4: Simplify right side
    18,197.16x = 257,132,658.82
  5. Step 5: Solve for x
    x = 257,132,658.82/18,197.16
  6. Step 6: Final answer
    x = 14,130.37

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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.