Home / 19,918.76-27,486.84-10,964.52

Finding the Fourth Proportional to 19,918.76, 27,486.84 and 10,964.52

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Solution

The fourth proportional to 19,918.76, 27,486.84 and 10,964.52 is: 15,130.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,918.76 : 27,486.84 = 10,964.52 : x
  2. Step 2: Convert to fraction form
    19,918.76/27,486.84 = 10,964.52/x
  3. Step 3: Cross multiply
    19,918.76x = 27,486.84 × 10,964.52
  4. Step 4: Simplify right side
    19,918.76x = 301,380,006.92
  5. Step 5: Solve for x
    x = 301,380,006.92/19,918.76
  6. Step 6: Final answer
    x = 15,130.46

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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.