Home / 18,597.40-25,663.68-11,523.70

Finding the Fourth Proportional to 18,597.40, 25,663.68 and 11,523.70

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Solution

The fourth proportional to 18,597.40, 25,663.68 and 11,523.70 is: 15,902.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,597.40 : 25,663.68 = 11,523.70 : x
  2. Step 2: Convert to fraction form
    18,597.40/25,663.68 = 11,523.70/x
  3. Step 3: Cross multiply
    18,597.40x = 25,663.68 × 11,523.70
  4. Step 4: Simplify right side
    18,597.40x = 295,740,549.22
  5. Step 5: Solve for x
    x = 295,740,549.22/18,597.40
  6. Step 6: Final answer
    x = 15,902.25

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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.