Home / 14,631.27-20,191.67-8,259.41

Finding the Fourth Proportional to 14,631.27, 20,191.67 and 8,259.41

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Solution

The fourth proportional to 14,631.27, 20,191.67 and 8,259.41 is: 11,398.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,631.27 : 20,191.67 = 8,259.41 : x
  2. Step 2: Convert to fraction form
    14,631.27/20,191.67 = 8,259.41/x
  3. Step 3: Cross multiply
    14,631.27x = 20,191.67 × 8,259.41
  4. Step 4: Simplify right side
    14,631.27x = 166,771,281.11
  5. Step 5: Solve for x
    x = 166,771,281.11/14,631.27
  6. Step 6: Final answer
    x = 11,398.28

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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.