Home / 34,834.11-48,069.61-18,918.15

Finding the Fourth Proportional to 34,834.11, 48,069.61 and 18,918.15

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Solution

The fourth proportional to 34,834.11, 48,069.61 and 18,918.15 is: 26,106.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,834.11 : 48,069.61 = 18,918.15 : x
  2. Step 2: Convert to fraction form
    34,834.11/48,069.61 = 18,918.15/x
  3. Step 3: Cross multiply
    34,834.11x = 48,069.61 × 18,918.15
  4. Step 4: Simplify right side
    34,834.11x = 909,388,092.42
  5. Step 5: Solve for x
    x = 909,388,092.42/34,834.11
  6. Step 6: Final answer
    x = 26,106.25

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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.