Home / 19,297.38-29,090.69-18,011.45

Finding the Fourth Proportional to 19,297.38, 29,090.69 and 18,011.45

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Solution

The fourth proportional to 19,297.38, 29,090.69 and 18,011.45 is: 27,152.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,297.38 : 29,090.69 = 18,011.45 : x
  2. Step 2: Convert to fraction form
    19,297.38/29,090.69 = 18,011.45/x
  3. Step 3: Cross multiply
    19,297.38x = 29,090.69 × 18,011.45
  4. Step 4: Simplify right side
    19,297.38x = 523,965,272.89
  5. Step 5: Solve for x
    x = 523,965,272.89/19,297.38
  6. Step 6: Final answer
    x = 27,152.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.