Home / 19,113.63-28,659.23-5,782.62

Finding the Fourth Proportional to 19,113.63, 28,659.23 and 5,782.62

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Solution

The fourth proportional to 19,113.63, 28,659.23 and 5,782.62 is: 8,670.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,113.63 : 28,659.23 = 5,782.62 : x
  2. Step 2: Convert to fraction form
    19,113.63/28,659.23 = 5,782.62/x
  3. Step 3: Cross multiply
    19,113.63x = 28,659.23 × 5,782.62
  4. Step 4: Simplify right side
    19,113.63x = 165,725,436.58
  5. Step 5: Solve for x
    x = 165,725,436.58/19,113.63
  6. Step 6: Final answer
    x = 8,670.54

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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.