Home / 17,518.96-26,280.10-6,986.44

Finding the Fourth Proportional to 17,518.96, 26,280.10 and 6,986.44

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Solution

The fourth proportional to 17,518.96, 26,280.10 and 6,986.44 is: 10,480.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,518.96 : 26,280.10 = 6,986.44 : x
  2. Step 2: Convert to fraction form
    17,518.96/26,280.10 = 6,986.44/x
  3. Step 3: Cross multiply
    17,518.96x = 26,280.10 × 6,986.44
  4. Step 4: Simplify right side
    17,518.96x = 183,604,341.84
  5. Step 5: Solve for x
    x = 183,604,341.84/17,518.96
  6. Step 6: Final answer
    x = 10,480.32

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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.