Home / 28,637.94-39,507.41-18,568.93

Finding the Fourth Proportional to 28,637.94, 39,507.41 and 18,568.93

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Solution

The fourth proportional to 28,637.94, 39,507.41 and 18,568.93 is: 25,616.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,637.94 : 39,507.41 = 18,568.93 : x
  2. Step 2: Convert to fraction form
    28,637.94/39,507.41 = 18,568.93/x
  3. Step 3: Cross multiply
    28,637.94x = 39,507.41 × 18,568.93
  4. Step 4: Simplify right side
    28,637.94x = 733,610,330.77
  5. Step 5: Solve for x
    x = 733,610,330.77/28,637.94
  6. Step 6: Final answer
    x = 25,616.73

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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.