Home / 13,056.22-19,590.64-8,124.58

Finding the Fourth Proportional to 13,056.22, 19,590.64 and 8,124.58

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Solution

The fourth proportional to 13,056.22, 19,590.64 and 8,124.58 is: 12,190.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,056.22 : 19,590.64 = 8,124.58 : x
  2. Step 2: Convert to fraction form
    13,056.22/19,590.64 = 8,124.58/x
  3. Step 3: Cross multiply
    13,056.22x = 19,590.64 × 8,124.58
  4. Step 4: Simplify right side
    13,056.22x = 159,165,721.93
  5. Step 5: Solve for x
    x = 159,165,721.93/13,056.22
  6. Step 6: Final answer
    x = 12,190.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.