Home / 14,549.45-20,080.65-8,582.58

Finding the Fourth Proportional to 14,549.45, 20,080.65 and 8,582.58

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Solution

The fourth proportional to 14,549.45, 20,080.65 and 8,582.58 is: 11,845.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,549.45 : 20,080.65 = 8,582.58 : x
  2. Step 2: Convert to fraction form
    14,549.45/20,080.65 = 8,582.58/x
  3. Step 3: Cross multiply
    14,549.45x = 20,080.65 × 8,582.58
  4. Step 4: Simplify right side
    14,549.45x = 172,343,785.08
  5. Step 5: Solve for x
    x = 172,343,785.08/14,549.45
  6. Step 6: Final answer
    x = 11,845.39

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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.