Home / 19,662.90-27,135.03-10,710.47

Finding the Fourth Proportional to 19,662.90, 27,135.03 and 10,710.47

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Solution

The fourth proportional to 19,662.90, 27,135.03 and 10,710.47 is: 14,780.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,662.90 : 27,135.03 = 10,710.47 : x
  2. Step 2: Convert to fraction form
    19,662.90/27,135.03 = 10,710.47/x
  3. Step 3: Cross multiply
    19,662.90x = 27,135.03 × 10,710.47
  4. Step 4: Simplify right side
    19,662.90x = 290,629,032.77
  5. Step 5: Solve for x
    x = 290,629,032.77/19,662.90
  6. Step 6: Final answer
    x = 14,780.58

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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.