Home / 13,903.08-19,211.22-10,941.72

Finding the Fourth Proportional to 13,903.08, 19,211.22 and 10,941.72

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Solution

The fourth proportional to 13,903.08, 19,211.22 and 10,941.72 is: 15,119.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,903.08 : 19,211.22 = 10,941.72 : x
  2. Step 2: Convert to fraction form
    13,903.08/19,211.22 = 10,941.72/x
  3. Step 3: Cross multiply
    13,903.08x = 19,211.22 × 10,941.72
  4. Step 4: Simplify right side
    13,903.08x = 210,203,790.10
  5. Step 5: Solve for x
    x = 210,203,790.10/13,903.08
  6. Step 6: Final answer
    x = 15,119.22

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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.