Home / 19,000.04-28,515.42-9,768.68

Finding the Fourth Proportional to 19,000.04, 28,515.42 and 9,768.68

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Solution

The fourth proportional to 19,000.04, 28,515.42 and 9,768.68 is: 14,660.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,000.04 : 28,515.42 = 9,768.68 : x
  2. Step 2: Convert to fraction form
    19,000.04/28,515.42 = 9,768.68/x
  3. Step 3: Cross multiply
    19,000.04x = 28,515.42 × 9,768.68
  4. Step 4: Simplify right side
    19,000.04x = 278,558,013.05
  5. Step 5: Solve for x
    x = 278,558,013.05/19,000.04
  6. Step 6: Final answer
    x = 14,660.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.