Home / 13,355.08-18,410.34-10,513.34

Finding the Fourth Proportional to 13,355.08, 18,410.34 and 10,513.34

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Solution

The fourth proportional to 13,355.08, 18,410.34 and 10,513.34 is: 14,492.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,355.08 : 18,410.34 = 10,513.34 : x
  2. Step 2: Convert to fraction form
    13,355.08/18,410.34 = 10,513.34/x
  3. Step 3: Cross multiply
    13,355.08x = 18,410.34 × 10,513.34
  4. Step 4: Simplify right side
    13,355.08x = 193,554,163.94
  5. Step 5: Solve for x
    x = 193,554,163.94/13,355.08
  6. Step 6: Final answer
    x = 14,492.92

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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.