Home / 19,543.75-29,354.99-11,661.67

Finding the Fourth Proportional to 19,543.75, 29,354.99 and 11,661.67

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Solution

The fourth proportional to 19,543.75, 29,354.99 and 11,661.67 is: 17,515.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,543.75 : 29,354.99 = 11,661.67 : x
  2. Step 2: Convert to fraction form
    19,543.75/29,354.99 = 11,661.67/x
  3. Step 3: Cross multiply
    19,543.75x = 29,354.99 × 11,661.67
  4. Step 4: Simplify right side
    19,543.75x = 342,328,206.23
  5. Step 5: Solve for x
    x = 342,328,206.23/19,543.75
  6. Step 6: Final answer
    x = 17,515.99

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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.