Home / 19,630.74-27,090.16-10,678.06

Finding the Fourth Proportional to 19,630.74, 27,090.16 and 10,678.06

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Solution

The fourth proportional to 19,630.74, 27,090.16 and 10,678.06 is: 14,735.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,630.74 : 27,090.16 = 10,678.06 : x
  2. Step 2: Convert to fraction form
    19,630.74/27,090.16 = 10,678.06/x
  3. Step 3: Cross multiply
    19,630.74x = 27,090.16 × 10,678.06
  4. Step 4: Simplify right side
    19,630.74x = 289,270,353.89
  5. Step 5: Solve for x
    x = 289,270,353.89/19,630.74
  6. Step 6: Final answer
    x = 14,735.58

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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.