Home / 14,074.72-21,070.01-8,511.23

Finding the Fourth Proportional to 14,074.72, 21,070.01 and 8,511.23

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Solution

The fourth proportional to 14,074.72, 21,070.01 and 8,511.23 is: 12,741.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,074.72 : 21,070.01 = 8,511.23 : x
  2. Step 2: Convert to fraction form
    14,074.72/21,070.01 = 8,511.23/x
  3. Step 3: Cross multiply
    14,074.72x = 21,070.01 × 8,511.23
  4. Step 4: Simplify right side
    14,074.72x = 179,331,658.66
  5. Step 5: Solve for x
    x = 179,331,658.66/14,074.72
  6. Step 6: Final answer
    x = 12,741.41

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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.