Home / 19,255.68-28,883.52-5,404.32

Finding the Fourth Proportional to 19,255.68, 28,883.52 and 5,404.32

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Solution

The fourth proportional to 19,255.68, 28,883.52 and 5,404.32 is: 8,106.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,255.68 : 28,883.52 = 5,404.32 : x
  2. Step 2: Convert to fraction form
    19,255.68/28,883.52 = 5,404.32/x
  3. Step 3: Cross multiply
    19,255.68x = 28,883.52 × 5,404.32
  4. Step 4: Simplify right side
    19,255.68x = 156,095,784.81
  5. Step 5: Solve for x
    x = 156,095,784.81/19,255.68
  6. Step 6: Final answer
    x = 8,106.48

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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.