Home / 19,155.75-26,435.07-10,772.25

Finding the Fourth Proportional to 19,155.75, 26,435.07 and 10,772.25

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Solution

The fourth proportional to 19,155.75, 26,435.07 and 10,772.25 is: 14,865.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,155.75 : 26,435.07 = 10,772.25 : x
  2. Step 2: Convert to fraction form
    19,155.75/26,435.07 = 10,772.25/x
  3. Step 3: Cross multiply
    19,155.75x = 26,435.07 × 10,772.25
  4. Step 4: Simplify right side
    19,155.75x = 284,765,182.81
  5. Step 5: Solve for x
    x = 284,765,182.81/19,155.75
  6. Step 6: Final answer
    x = 14,865.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.