Home / 19,283.20-26,608.64-10,899.68

Finding the Fourth Proportional to 19,283.20, 26,608.64 and 10,899.68

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Solution

The fourth proportional to 19,283.20, 26,608.64 and 10,899.68 is: 15,040.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,283.20 : 26,608.64 = 10,899.68 : x
  2. Step 2: Convert to fraction form
    19,283.20/26,608.64 = 10,899.68/x
  3. Step 3: Cross multiply
    19,283.20x = 26,608.64 × 10,899.68
  4. Step 4: Simplify right side
    19,283.20x = 290,025,661.24
  5. Step 5: Solve for x
    x = 290,025,661.24/19,283.20
  6. Step 6: Final answer
    x = 15,040.33

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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.