Home / 14,619.04-20,172.72-8,650.96

Finding the Fourth Proportional to 14,619.04, 20,172.72 and 8,650.96

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Solution

The fourth proportional to 14,619.04, 20,172.72 and 8,650.96 is: 11,937.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,619.04 : 20,172.72 = 8,650.96 : x
  2. Step 2: Convert to fraction form
    14,619.04/20,172.72 = 8,650.96/x
  3. Step 3: Cross multiply
    14,619.04x = 20,172.72 × 8,650.96
  4. Step 4: Simplify right side
    14,619.04x = 174,513,393.81
  5. Step 5: Solve for x
    x = 174,513,393.81/14,619.04
  6. Step 6: Final answer
    x = 11,937.40

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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.