Home / 15,006.25-20,558.48-14,445.55

Finding the Fourth Proportional to 15,006.25, 20,558.48 and 14,445.55

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Solution

The fourth proportional to 15,006.25, 20,558.48 and 14,445.55 is: 19,790.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,006.25 : 20,558.48 = 14,445.55 : x
  2. Step 2: Convert to fraction form
    15,006.25/20,558.48 = 14,445.55/x
  3. Step 3: Cross multiply
    15,006.25x = 20,558.48 × 14,445.55
  4. Step 4: Simplify right side
    15,006.25x = 296,978,550.76
  5. Step 5: Solve for x
    x = 296,978,550.76/15,006.25
  6. Step 6: Final answer
    x = 19,790.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.