Home / 14,566.50-20,103.12-9,259.38

Finding the Fourth Proportional to 14,566.50, 20,103.12 and 9,259.38

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Solution

The fourth proportional to 14,566.50, 20,103.12 and 9,259.38 is: 12,778.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,566.50 : 20,103.12 = 9,259.38 : x
  2. Step 2: Convert to fraction form
    14,566.50/20,103.12 = 9,259.38/x
  3. Step 3: Cross multiply
    14,566.50x = 20,103.12 × 9,259.38
  4. Step 4: Simplify right side
    14,566.50x = 186,142,427.27
  5. Step 5: Solve for x
    x = 186,142,427.27/14,566.50
  6. Step 6: Final answer
    x = 12,778.80

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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.