Home / 14,930.60-20,607.35-8,558.19

Finding the Fourth Proportional to 14,930.60, 20,607.35 and 8,558.19

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Solution

The fourth proportional to 14,930.60, 20,607.35 and 8,558.19 is: 11,812.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,930.60 : 20,607.35 = 8,558.19 : x
  2. Step 2: Convert to fraction form
    14,930.60/20,607.35 = 8,558.19/x
  3. Step 3: Cross multiply
    14,930.60x = 20,607.35 × 8,558.19
  4. Step 4: Simplify right side
    14,930.60x = 176,361,573.91
  5. Step 5: Solve for x
    x = 176,361,573.91/14,930.60
  6. Step 6: Final answer
    x = 11,812.09

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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.