Home / 12,353.54-18,532.13-3,587.31

Finding the Fourth Proportional to 12,353.54, 18,532.13 and 3,587.31

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Solution

The fourth proportional to 12,353.54, 18,532.13 and 3,587.31 is: 5,381.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,353.54 : 18,532.13 = 3,587.31 : x
  2. Step 2: Convert to fraction form
    12,353.54/18,532.13 = 3,587.31/x
  3. Step 3: Cross multiply
    12,353.54x = 18,532.13 × 3,587.31
  4. Step 4: Simplify right side
    12,353.54x = 66,480,477.33
  5. Step 5: Solve for x
    x = 66,480,477.33/12,353.54
  6. Step 6: Final answer
    x = 5,381.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.