Home / 19,858.99-27,406.14-10,907.32

Finding the Fourth Proportional to 19,858.99, 27,406.14 and 10,907.32

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Solution

The fourth proportional to 19,858.99, 27,406.14 and 10,907.32 is: 15,052.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,858.99 : 27,406.14 = 10,907.32 : x
  2. Step 2: Convert to fraction form
    19,858.99/27,406.14 = 10,907.32/x
  3. Step 3: Cross multiply
    19,858.99x = 27,406.14 × 10,907.32
  4. Step 4: Simplify right side
    19,858.99x = 298,927,538.94
  5. Step 5: Solve for x
    x = 298,927,538.94/19,858.99
  6. Step 6: Final answer
    x = 15,052.50

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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.