Home / 17,678.04-26,485.83-9,339.66

Finding the Fourth Proportional to 17,678.04, 26,485.83 and 9,339.66

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Solution

The fourth proportional to 17,678.04, 26,485.83 and 9,339.66 is: 13,992.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,678.04 : 26,485.83 = 9,339.66 : x
  2. Step 2: Convert to fraction form
    17,678.04/26,485.83 = 9,339.66/x
  3. Step 3: Cross multiply
    17,678.04x = 26,485.83 × 9,339.66
  4. Step 4: Simplify right side
    17,678.04x = 247,368,647.02
  5. Step 5: Solve for x
    x = 247,368,647.02/17,678.04
  6. Step 6: Final answer
    x = 13,992.99

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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.