Home / 15,408.95-23,113.37-3,722.18

Finding the Fourth Proportional to 15,408.95, 23,113.37 and 3,722.18

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Solution

The fourth proportional to 15,408.95, 23,113.37 and 3,722.18 is: 5,583.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,408.95 : 23,113.37 = 3,722.18 : x
  2. Step 2: Convert to fraction form
    15,408.95/23,113.37 = 3,722.18/x
  3. Step 3: Cross multiply
    15,408.95x = 23,113.37 × 3,722.18
  4. Step 4: Simplify right side
    15,408.95x = 86,031,989.37
  5. Step 5: Solve for x
    x = 86,031,989.37/15,408.95
  6. Step 6: Final answer
    x = 5,583.25

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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.