Home / 14,652.48-20,220.80-8,683.19

Finding the Fourth Proportional to 14,652.48, 20,220.80 and 8,683.19

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Solution

The fourth proportional to 14,652.48, 20,220.80 and 8,683.19 is: 11,983.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,652.48 : 20,220.80 = 8,683.19 : x
  2. Step 2: Convert to fraction form
    14,652.48/20,220.80 = 8,683.19/x
  3. Step 3: Cross multiply
    14,652.48x = 20,220.80 × 8,683.19
  4. Step 4: Simplify right side
    14,652.48x = 175,581,048.35
  5. Step 5: Solve for x
    x = 175,581,048.35/14,652.48
  6. Step 6: Final answer
    x = 11,983.03

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Half scale
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Double scale
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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.