Home / 19,719.04-27,212.74-10,766.61

Finding the Fourth Proportional to 19,719.04, 27,212.74 and 10,766.61

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Solution

The fourth proportional to 19,719.04, 27,212.74 and 10,766.61 is: 14,858.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,719.04 : 27,212.74 = 10,766.61 : x
  2. Step 2: Convert to fraction form
    19,719.04/27,212.74 = 10,766.61/x
  3. Step 3: Cross multiply
    19,719.04x = 27,212.74 × 10,766.61
  4. Step 4: Simplify right side
    19,719.04x = 292,988,965.34
  5. Step 5: Solve for x
    x = 292,988,965.34/19,719.04
  6. Step 6: Final answer
    x = 14,858.17

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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.