Home / 14,364.46-21,547.86-3,976.21

Finding the Fourth Proportional to 14,364.46, 21,547.86 and 3,976.21

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Solution

The fourth proportional to 14,364.46, 21,547.86 and 3,976.21 is: 5,964.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,364.46 : 21,547.86 = 3,976.21 : x
  2. Step 2: Convert to fraction form
    14,364.46/21,547.86 = 3,976.21/x
  3. Step 3: Cross multiply
    14,364.46x = 21,547.86 × 3,976.21
  4. Step 4: Simplify right side
    14,364.46x = 85,678,816.41
  5. Step 5: Solve for x
    x = 85,678,816.41/14,364.46
  6. Step 6: Final answer
    x = 5,964.64

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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.