Home / 24,219.20-36,334.20-18,970.40

Finding the Fourth Proportional to 24,219.20, 36,334.20 and 18,970.40

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Solution

The fourth proportional to 24,219.20, 36,334.20 and 18,970.40 is: 28,459.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,219.20 : 36,334.20 = 18,970.40 : x
  2. Step 2: Convert to fraction form
    24,219.20/36,334.20 = 18,970.40/x
  3. Step 3: Cross multiply
    24,219.20x = 36,334.20 × 18,970.40
  4. Step 4: Simplify right side
    24,219.20x = 689,274,307.68
  5. Step 5: Solve for x
    x = 689,274,307.68/24,219.20
  6. Step 6: Final answer
    x = 28,459.83

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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.