Home / 14,260.25-19,678.33-7,886.46

Finding the Fourth Proportional to 14,260.25, 19,678.33 and 7,886.46

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Solution

The fourth proportional to 14,260.25, 19,678.33 and 7,886.46 is: 10,882.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,260.25 : 19,678.33 = 7,886.46 : x
  2. Step 2: Convert to fraction form
    14,260.25/19,678.33 = 7,886.46/x
  3. Step 3: Cross multiply
    14,260.25x = 19,678.33 × 7,886.46
  4. Step 4: Simplify right side
    14,260.25x = 155,192,362.41
  5. Step 5: Solve for x
    x = 155,192,362.41/14,260.25
  6. Step 6: Final answer
    x = 10,882.86

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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.