Home / 17,211.34-23,750.23-12,178.51

Finding the Fourth Proportional to 17,211.34, 23,750.23 and 12,178.51

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Solution

The fourth proportional to 17,211.34, 23,750.23 and 12,178.51 is: 16,805.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,211.34 : 23,750.23 = 12,178.51 : x
  2. Step 2: Convert to fraction form
    17,211.34/23,750.23 = 12,178.51/x
  3. Step 3: Cross multiply
    17,211.34x = 23,750.23 × 12,178.51
  4. Step 4: Simplify right side
    17,211.34x = 289,242,346.57
  5. Step 5: Solve for x
    x = 289,242,346.57/17,211.34
  6. Step 6: Final answer
    x = 16,805.33

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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.