Home / 13,254.07-19,885.62-6,678.49

Finding the Fourth Proportional to 13,254.07, 19,885.62 and 6,678.49

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Solution

The fourth proportional to 13,254.07, 19,885.62 and 6,678.49 is: 10,020.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,254.07 : 19,885.62 = 6,678.49 : x
  2. Step 2: Convert to fraction form
    13,254.07/19,885.62 = 6,678.49/x
  3. Step 3: Cross multiply
    13,254.07x = 19,885.62 × 6,678.49
  4. Step 4: Simplify right side
    13,254.07x = 132,805,814.89
  5. Step 5: Solve for x
    x = 132,805,814.89/13,254.07
  6. Step 6: Final answer
    x = 10,020.01

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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.