Home / 13,467.70-18,585.93-7,500.03

Finding the Fourth Proportional to 13,467.70, 18,585.93 and 7,500.03

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Solution

The fourth proportional to 13,467.70, 18,585.93 and 7,500.03 is: 10,350.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,467.70 : 18,585.93 = 7,500.03 : x
  2. Step 2: Convert to fraction form
    13,467.70/18,585.93 = 7,500.03/x
  3. Step 3: Cross multiply
    13,467.70x = 18,585.93 × 7,500.03
  4. Step 4: Simplify right side
    13,467.70x = 139,395,032.58
  5. Step 5: Solve for x
    x = 139,395,032.58/13,467.70
  6. Step 6: Final answer
    x = 10,350.32

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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.