Home / 19,000.52-28,461.90-11,185.64

Finding the Fourth Proportional to 19,000.52, 28,461.90 and 11,185.64

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Solution

The fourth proportional to 19,000.52, 28,461.90 and 11,185.64 is: 16,755.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,000.52 : 28,461.90 = 11,185.64 : x
  2. Step 2: Convert to fraction form
    19,000.52/28,461.90 = 11,185.64/x
  3. Step 3: Cross multiply
    19,000.52x = 28,461.90 × 11,185.64
  4. Step 4: Simplify right side
    19,000.52x = 318,364,567.12
  5. Step 5: Solve for x
    x = 318,364,567.12/19,000.52
  6. Step 6: Final answer
    x = 16,755.57

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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.