Home / 19,277.66-28,903.71-10,961.60

Finding the Fourth Proportional to 19,277.66, 28,903.71 and 10,961.60

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Solution

The fourth proportional to 19,277.66, 28,903.71 and 10,961.60 is: 16,435.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,277.66 : 28,903.71 = 10,961.60 : x
  2. Step 2: Convert to fraction form
    19,277.66/28,903.71 = 10,961.60/x
  3. Step 3: Cross multiply
    19,277.66x = 28,903.71 × 10,961.60
  4. Step 4: Simplify right side
    19,277.66x = 316,830,907.54
  5. Step 5: Solve for x
    x = 316,830,907.54/19,277.66
  6. Step 6: Final answer
    x = 16,435.13

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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.