Home / 19,076.25-28,622.25-10,300.83

Finding the Fourth Proportional to 19,076.25, 28,622.25 and 10,300.83

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Solution

The fourth proportional to 19,076.25, 28,622.25 and 10,300.83 is: 15,455.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,076.25 : 28,622.25 = 10,300.83 : x
  2. Step 2: Convert to fraction form
    19,076.25/28,622.25 = 10,300.83/x
  3. Step 3: Cross multiply
    19,076.25x = 28,622.25 × 10,300.83
  4. Step 4: Simplify right side
    19,076.25x = 294,832,931.47
  5. Step 5: Solve for x
    x = 294,832,931.47/19,076.25
  6. Step 6: Final answer
    x = 15,455.50

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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.