Home / 13,013.08-17,968.41-12,017.99

Finding the Fourth Proportional to 13,013.08, 17,968.41 and 12,017.99

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Solution

The fourth proportional to 13,013.08, 17,968.41 and 12,017.99 is: 16,594.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,013.08 : 17,968.41 = 12,017.99 : x
  2. Step 2: Convert to fraction form
    13,013.08/17,968.41 = 12,017.99/x
  3. Step 3: Cross multiply
    13,013.08x = 17,968.41 × 12,017.99
  4. Step 4: Simplify right side
    13,013.08x = 215,944,216.62
  5. Step 5: Solve for x
    x = 215,944,216.62/13,013.08
  6. Step 6: Final answer
    x = 16,594.40

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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.