Home / 19,686.09-27,166.21-10,733.77

Finding the Fourth Proportional to 19,686.09, 27,166.21 and 10,733.77

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Solution

The fourth proportional to 19,686.09, 27,166.21 and 10,733.77 is: 14,812.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,686.09 : 27,166.21 = 10,733.77 : x
  2. Step 2: Convert to fraction form
    19,686.09/27,166.21 = 10,733.77/x
  3. Step 3: Cross multiply
    19,686.09x = 27,166.21 × 10,733.77
  4. Step 4: Simplify right side
    19,686.09x = 291,595,734.41
  5. Step 5: Solve for x
    x = 291,595,734.41/19,686.09
  6. Step 6: Final answer
    x = 14,812.27

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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.