Home / 19,858.02-27,404.72-11,474.52

Finding the Fourth Proportional to 19,858.02, 27,404.72 and 11,474.52

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Solution

The fourth proportional to 19,858.02, 27,404.72 and 11,474.52 is: 15,835.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,858.02 : 27,404.72 = 11,474.52 : x
  2. Step 2: Convert to fraction form
    19,858.02/27,404.72 = 11,474.52/x
  3. Step 3: Cross multiply
    19,858.02x = 27,404.72 × 11,474.52
  4. Step 4: Simplify right side
    19,858.02x = 314,455,950.36
  5. Step 5: Solve for x
    x = 314,455,950.36/19,858.02
  6. Step 6: Final answer
    x = 15,835.21

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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.