Home / 24,084.40-36,112.20-12,420.40

Finding the Fourth Proportional to 24,084.40, 36,112.20 and 12,420.40

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Solution

The fourth proportional to 24,084.40, 36,112.20 and 12,420.40 is: 18,623.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,084.40 : 36,112.20 = 12,420.40 : x
  2. Step 2: Convert to fraction form
    24,084.40/36,112.20 = 12,420.40/x
  3. Step 3: Cross multiply
    24,084.40x = 36,112.20 × 12,420.40
  4. Step 4: Simplify right side
    24,084.40x = 448,527,968.88
  5. Step 5: Solve for x
    x = 448,527,968.88/24,084.40
  6. Step 6: Final answer
    x = 18,623.17

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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.