Home / 19,581.05-27,021.12-10,628.36

Finding the Fourth Proportional to 19,581.05, 27,021.12 and 10,628.36

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Solution

The fourth proportional to 19,581.05, 27,021.12 and 10,628.36 is: 14,666.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,581.05 : 27,021.12 = 10,628.36 : x
  2. Step 2: Convert to fraction form
    19,581.05/27,021.12 = 10,628.36/x
  3. Step 3: Cross multiply
    19,581.05x = 27,021.12 × 10,628.36
  4. Step 4: Simplify right side
    19,581.05x = 287,190,258.52
  5. Step 5: Solve for x
    x = 287,190,258.52/19,581.05
  6. Step 6: Final answer
    x = 14,666.74

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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.