Home / 24,015.20-36,040.80-12,322.40

Finding the Fourth Proportional to 24,015.20, 36,040.80 and 12,322.40

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Solution

The fourth proportional to 24,015.20, 36,040.80 and 12,322.40 is: 18,492.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,015.20 : 36,040.80 = 12,322.40 : x
  2. Step 2: Convert to fraction form
    24,015.20/36,040.80 = 12,322.40/x
  3. Step 3: Cross multiply
    24,015.20x = 36,040.80 × 12,322.40
  4. Step 4: Simplify right side
    24,015.20x = 444,109,153.92
  5. Step 5: Solve for x
    x = 444,109,153.92/24,015.20
  6. Step 6: Final answer
    x = 18,492.84

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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.