Home / 18,225.47-25,148.11-10,157.37

Finding the Fourth Proportional to 18,225.47, 25,148.11 and 10,157.37

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Solution

The fourth proportional to 18,225.47, 25,148.11 and 10,157.37 is: 14,015.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,225.47 : 25,148.11 = 10,157.37 : x
  2. Step 2: Convert to fraction form
    18,225.47/25,148.11 = 10,157.37/x
  3. Step 3: Cross multiply
    18,225.47x = 25,148.11 × 10,157.37
  4. Step 4: Simplify right side
    18,225.47x = 255,438,658.07
  5. Step 5: Solve for x
    x = 255,438,658.07/18,225.47
  6. Step 6: Final answer
    x = 14,015.48

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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.