Home / 17,561.76-24,245.88-11,603.40

Finding the Fourth Proportional to 17,561.76, 24,245.88 and 11,603.40

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Solution

The fourth proportional to 17,561.76, 24,245.88 and 11,603.40 is: 16,019.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,561.76 : 24,245.88 = 11,603.40 : x
  2. Step 2: Convert to fraction form
    17,561.76/24,245.88 = 11,603.40/x
  3. Step 3: Cross multiply
    17,561.76x = 24,245.88 × 11,603.40
  4. Step 4: Simplify right side
    17,561.76x = 281,334,643.99
  5. Step 5: Solve for x
    x = 281,334,643.99/17,561.76
  6. Step 6: Final answer
    x = 16,019.73

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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.