Home / 14,258.73-19,678.91-7,972.41

Finding the Fourth Proportional to 14,258.73, 19,678.91 and 7,972.41

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Solution

The fourth proportional to 14,258.73, 19,678.91 and 7,972.41 is: 11,002.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,258.73 : 19,678.91 = 7,972.41 : x
  2. Step 2: Convert to fraction form
    14,258.73/19,678.91 = 7,972.41/x
  3. Step 3: Cross multiply
    14,258.73x = 19,678.91 × 7,972.41
  4. Step 4: Simplify right side
    14,258.73x = 156,888,299.01
  5. Step 5: Solve for x
    x = 156,888,299.01/14,258.73
  6. Step 6: Final answer
    x = 11,002.96

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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.