Home / 14,022.65-19,353.40-8,719.18

Finding the Fourth Proportional to 14,022.65, 19,353.40 and 8,719.18

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Solution

The fourth proportional to 14,022.65, 19,353.40 and 8,719.18 is: 12,033.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,022.65 : 19,353.40 = 8,719.18 : x
  2. Step 2: Convert to fraction form
    14,022.65/19,353.40 = 8,719.18/x
  3. Step 3: Cross multiply
    14,022.65x = 19,353.40 × 8,719.18
  4. Step 4: Simplify right side
    14,022.65x = 168,745,708.03
  5. Step 5: Solve for x
    x = 168,745,708.03/14,022.65
  6. Step 6: Final answer
    x = 12,033.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.