Home / 17,203.61-25,740.20-10,187.39

Finding the Fourth Proportional to 17,203.61, 25,740.20 and 10,187.39

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Solution

The fourth proportional to 17,203.61, 25,740.20 and 10,187.39 is: 15,242.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,203.61 : 25,740.20 = 10,187.39 : x
  2. Step 2: Convert to fraction form
    17,203.61/25,740.20 = 10,187.39/x
  3. Step 3: Cross multiply
    17,203.61x = 25,740.20 × 10,187.39
  4. Step 4: Simplify right side
    17,203.61x = 262,225,545.90
  5. Step 5: Solve for x
    x = 262,225,545.90/17,203.61
  6. Step 6: Final answer
    x = 15,242.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.