Home / 30,005.52-41,394.36-19,396.08

Finding the Fourth Proportional to 30,005.52, 41,394.36 and 19,396.08

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Solution

The fourth proportional to 30,005.52, 41,394.36 and 19,396.08 is: 26,758.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,005.52 : 41,394.36 = 19,396.08 : x
  2. Step 2: Convert to fraction form
    30,005.52/41,394.36 = 19,396.08/x
  3. Step 3: Cross multiply
    30,005.52x = 41,394.36 × 19,396.08
  4. Step 4: Simplify right side
    30,005.52x = 802,888,318.11
  5. Step 5: Solve for x
    x = 802,888,318.11/30,005.52
  6. Step 6: Final answer
    x = 26,758.02

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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.