Home / 32,623.75-45,020.78-18,477.51

Finding the Fourth Proportional to 32,623.75, 45,020.78 and 18,477.51

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Solution

The fourth proportional to 32,623.75, 45,020.78 and 18,477.51 is: 25,498.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,623.75 : 45,020.78 = 18,477.51 : x
  2. Step 2: Convert to fraction form
    32,623.75/45,020.78 = 18,477.51/x
  3. Step 3: Cross multiply
    32,623.75x = 45,020.78 × 18,477.51
  4. Step 4: Simplify right side
    32,623.75x = 831,871,912.66
  5. Step 5: Solve for x
    x = 831,871,912.66/32,623.75
  6. Step 6: Final answer
    x = 25,498.97

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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.