Home / 14,741.10-20,355.03-11,199.78

Finding the Fourth Proportional to 14,741.10, 20,355.03 and 11,199.78

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Solution

The fourth proportional to 14,741.10, 20,355.03 and 11,199.78 is: 15,465.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,741.10 : 20,355.03 = 11,199.78 : x
  2. Step 2: Convert to fraction form
    14,741.10/20,355.03 = 11,199.78/x
  3. Step 3: Cross multiply
    14,741.10x = 20,355.03 × 11,199.78
  4. Step 4: Simplify right side
    14,741.10x = 227,971,857.89
  5. Step 5: Solve for x
    x = 227,971,857.89/14,741.10
  6. Step 6: Final answer
    x = 15,465.05

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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.