Home / 13,550.10-18,701.36-9,297.65

Finding the Fourth Proportional to 13,550.10, 18,701.36 and 9,297.65

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Solution

The fourth proportional to 13,550.10, 18,701.36 and 9,297.65 is: 12,832.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,550.10 : 18,701.36 = 9,297.65 : x
  2. Step 2: Convert to fraction form
    13,550.10/18,701.36 = 9,297.65/x
  3. Step 3: Cross multiply
    13,550.10x = 18,701.36 × 9,297.65
  4. Step 4: Simplify right side
    13,550.10x = 173,878,700.07
  5. Step 5: Solve for x
    x = 173,878,700.07/13,550.10
  6. Step 6: Final answer
    x = 12,832.28

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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.