Home / 19,828.65-27,349.19-16,839.75

Finding the Fourth Proportional to 19,828.65, 27,349.19 and 16,839.75

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Solution

The fourth proportional to 19,828.65, 27,349.19 and 16,839.75 is: 23,226.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,828.65 : 27,349.19 = 16,839.75 : x
  2. Step 2: Convert to fraction form
    19,828.65/27,349.19 = 16,839.75/x
  3. Step 3: Cross multiply
    19,828.65x = 27,349.19 × 16,839.75
  4. Step 4: Simplify right side
    19,828.65x = 460,553,438.10
  5. Step 5: Solve for x
    x = 460,553,438.10/19,828.65
  6. Step 6: Final answer
    x = 23,226.67

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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.