Home / 18,853.33-28,064.47-18,573.07

Finding the Fourth Proportional to 18,853.33, 28,064.47 and 18,573.07

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Solution

The fourth proportional to 18,853.33, 28,064.47 and 18,573.07 is: 27,647.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,853.33 : 28,064.47 = 18,573.07 : x
  2. Step 2: Convert to fraction form
    18,853.33/28,064.47 = 18,573.07/x
  3. Step 3: Cross multiply
    18,853.33x = 28,064.47 × 18,573.07
  4. Step 4: Simplify right side
    18,853.33x = 521,243,365.82
  5. Step 5: Solve for x
    x = 521,243,365.82/18,853.33
  6. Step 6: Final answer
    x = 27,647.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.