Home / 19,146.54-28,719.81-5,999.93

Finding the Fourth Proportional to 19,146.54, 28,719.81 and 5,999.93

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Solution

The fourth proportional to 19,146.54, 28,719.81 and 5,999.93 is: 8,999.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,146.54 : 28,719.81 = 5,999.93 : x
  2. Step 2: Convert to fraction form
    19,146.54/28,719.81 = 5,999.93/x
  3. Step 3: Cross multiply
    19,146.54x = 28,719.81 × 5,999.93
  4. Step 4: Simplify right side
    19,146.54x = 172,316,706.01
  5. Step 5: Solve for x
    x = 172,316,706.01/19,146.54
  6. Step 6: Final answer
    x = 8,999.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.