Home / 19,581.12-27,022.14-10,628.70

Finding the Fourth Proportional to 19,581.12, 27,022.14 and 10,628.70

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Solution

The fourth proportional to 19,581.12, 27,022.14 and 10,628.70 is: 14,667.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,581.12 : 27,022.14 = 10,628.70 : x
  2. Step 2: Convert to fraction form
    19,581.12/27,022.14 = 10,628.70/x
  3. Step 3: Cross multiply
    19,581.12x = 27,022.14 × 10,628.70
  4. Step 4: Simplify right side
    19,581.12x = 287,210,219.42
  5. Step 5: Solve for x
    x = 287,210,219.42/19,581.12
  6. Step 6: Final answer
    x = 14,667.71

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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.