Home / 13,477.11-18,598.37-7,508.85

Finding the Fourth Proportional to 13,477.11, 18,598.37 and 7,508.85

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Solution

The fourth proportional to 13,477.11, 18,598.37 and 7,508.85 is: 10,362.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,477.11 : 18,598.37 = 7,508.85 : x
  2. Step 2: Convert to fraction form
    13,477.11/18,598.37 = 7,508.85/x
  3. Step 3: Cross multiply
    13,477.11x = 18,598.37 × 7,508.85
  4. Step 4: Simplify right side
    13,477.11x = 139,652,333.03
  5. Step 5: Solve for x
    x = 139,652,333.03/13,477.11
  6. Step 6: Final answer
    x = 10,362.19

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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.