Home / 14,581.54-20,127.45-10,111.22

Finding the Fourth Proportional to 14,581.54, 20,127.45 and 10,111.22

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Solution

The fourth proportional to 14,581.54, 20,127.45 and 10,111.22 is: 13,956.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,581.54 : 20,127.45 = 10,111.22 : x
  2. Step 2: Convert to fraction form
    14,581.54/20,127.45 = 10,111.22/x
  3. Step 3: Cross multiply
    14,581.54x = 20,127.45 × 10,111.22
  4. Step 4: Simplify right side
    14,581.54x = 203,513,074.99
  5. Step 5: Solve for x
    x = 203,513,074.99/14,581.54
  6. Step 6: Final answer
    x = 13,956.90

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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.