Home / 12,743.60-19,106.08-8,573.24

Finding the Fourth Proportional to 12,743.60, 19,106.08 and 8,573.24

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Solution

The fourth proportional to 12,743.60, 19,106.08 and 8,573.24 is: 12,853.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,743.60 : 19,106.08 = 8,573.24 : x
  2. Step 2: Convert to fraction form
    12,743.60/19,106.08 = 8,573.24/x
  3. Step 3: Cross multiply
    12,743.60x = 19,106.08 × 8,573.24
  4. Step 4: Simplify right side
    12,743.60x = 163,801,009.30
  5. Step 5: Solve for x
    x = 163,801,009.30/12,743.60
  6. Step 6: Final answer
    x = 12,853.59

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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.