Home / 15,542.51-21,442.24-10,829.52

Finding the Fourth Proportional to 15,542.51, 21,442.24 and 10,829.52

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Solution

The fourth proportional to 15,542.51, 21,442.24 and 10,829.52 is: 14,940.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,542.51 : 21,442.24 = 10,829.52 : x
  2. Step 2: Convert to fraction form
    15,542.51/21,442.24 = 10,829.52/x
  3. Step 3: Cross multiply
    15,542.51x = 21,442.24 × 10,829.52
  4. Step 4: Simplify right side
    15,542.51x = 232,209,112.78
  5. Step 5: Solve for x
    x = 232,209,112.78/15,542.51
  6. Step 6: Final answer
    x = 14,940.26

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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.