Home / 19,015.16-28,512.54-10,584.32

Finding the Fourth Proportional to 19,015.16, 28,512.54 and 10,584.32

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Solution

The fourth proportional to 19,015.16, 28,512.54 and 10,584.32 is: 15,870.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,015.16 : 28,512.54 = 10,584.32 : x
  2. Step 2: Convert to fraction form
    19,015.16/28,512.54 = 10,584.32/x
  3. Step 3: Cross multiply
    19,015.16x = 28,512.54 × 10,584.32
  4. Step 4: Simplify right side
    19,015.16x = 301,785,847.37
  5. Step 5: Solve for x
    x = 301,785,847.37/19,015.16
  6. Step 6: Final answer
    x = 15,870.80

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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.