Home / 19,579.68-27,019.69-10,627.51

Finding the Fourth Proportional to 19,579.68, 27,019.69 and 10,627.51

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Solution

The fourth proportional to 19,579.68, 27,019.69 and 10,627.51 is: 14,665.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,579.68 : 27,019.69 = 10,627.51 : x
  2. Step 2: Convert to fraction form
    19,579.68/27,019.69 = 10,627.51/x
  3. Step 3: Cross multiply
    19,579.68x = 27,019.69 × 10,627.51
  4. Step 4: Simplify right side
    19,579.68x = 287,152,025.67
  5. Step 5: Solve for x
    x = 287,152,025.67/19,579.68
  6. Step 6: Final answer
    x = 14,665.82

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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.