Home / 15,240.96-21,032.87-10,772.60

Finding the Fourth Proportional to 15,240.96, 21,032.87 and 10,772.60

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Solution

The fourth proportional to 15,240.96, 21,032.87 and 10,772.60 is: 14,866.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,240.96 : 21,032.87 = 10,772.60 : x
  2. Step 2: Convert to fraction form
    15,240.96/21,032.87 = 10,772.60/x
  3. Step 3: Cross multiply
    15,240.96x = 21,032.87 × 10,772.60
  4. Step 4: Simplify right side
    15,240.96x = 226,578,536.33
  5. Step 5: Solve for x
    x = 226,578,536.33/15,240.96
  6. Step 6: Final answer
    x = 14,866.42

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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.