Home / 14,653.20-21,990.60-5,894.40

Finding the Fourth Proportional to 14,653.20, 21,990.60 and 5,894.40

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Solution

The fourth proportional to 14,653.20, 21,990.60 and 5,894.40 is: 8,845.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,653.20 : 21,990.60 = 5,894.40 : x
  2. Step 2: Convert to fraction form
    14,653.20/21,990.60 = 5,894.40/x
  3. Step 3: Cross multiply
    14,653.20x = 21,990.60 × 5,894.40
  4. Step 4: Simplify right side
    14,653.20x = 129,621,392.64
  5. Step 5: Solve for x
    x = 129,621,392.64/14,653.20
  6. Step 6: Final answer
    x = 8,845.94

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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.