Home / 14,858.75-20,505.71-8,889.27

Finding the Fourth Proportional to 14,858.75, 20,505.71 and 8,889.27

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Solution

The fourth proportional to 14,858.75, 20,505.71 and 8,889.27 is: 12,267.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,858.75 : 20,505.71 = 8,889.27 : x
  2. Step 2: Convert to fraction form
    14,858.75/20,505.71 = 8,889.27/x
  3. Step 3: Cross multiply
    14,858.75x = 20,505.71 × 8,889.27
  4. Step 4: Simplify right side
    14,858.75x = 182,280,748.29
  5. Step 5: Solve for x
    x = 182,280,748.29/14,858.75
  6. Step 6: Final answer
    x = 12,267.57

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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.