Home / 14,506.52-20,017.86-8,217.32

Finding the Fourth Proportional to 14,506.52, 20,017.86 and 8,217.32

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Solution

The fourth proportional to 14,506.52, 20,017.86 and 8,217.32 is: 11,339.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,506.52 : 20,017.86 = 8,217.32 : x
  2. Step 2: Convert to fraction form
    14,506.52/20,017.86 = 8,217.32/x
  3. Step 3: Cross multiply
    14,506.52x = 20,017.86 × 8,217.32
  4. Step 4: Simplify right side
    14,506.52x = 164,493,161.34
  5. Step 5: Solve for x
    x = 164,493,161.34/14,506.52
  6. Step 6: Final answer
    x = 11,339.26

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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.