Home / 14,081.65-21,123.42-4,722.64

Finding the Fourth Proportional to 14,081.65, 21,123.42 and 4,722.64

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Solution

The fourth proportional to 14,081.65, 21,123.42 and 4,722.64 is: 7,084.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,081.65 : 21,123.42 = 4,722.64 : x
  2. Step 2: Convert to fraction form
    14,081.65/21,123.42 = 4,722.64/x
  3. Step 3: Cross multiply
    14,081.65x = 21,123.42 × 4,722.64
  4. Step 4: Simplify right side
    14,081.65x = 99,758,308.23
  5. Step 5: Solve for x
    x = 99,758,308.23/14,081.65
  6. Step 6: Final answer
    x = 7,084.28

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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.