Home / 19,355.16-28,912.62-14,048.04

Finding the Fourth Proportional to 19,355.16, 28,912.62 and 14,048.04

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Solution

The fourth proportional to 19,355.16, 28,912.62 and 14,048.04 is: 20,984.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,355.16 : 28,912.62 = 14,048.04 : x
  2. Step 2: Convert to fraction form
    19,355.16/28,912.62 = 14,048.04/x
  3. Step 3: Cross multiply
    19,355.16x = 28,912.62 × 14,048.04
  4. Step 4: Simplify right side
    19,355.16x = 406,165,642.26
  5. Step 5: Solve for x
    x = 406,165,642.26/19,355.16
  6. Step 6: Final answer
    x = 20,984.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.