Home / 19,921.14-29,863.89-14,643.18

Finding the Fourth Proportional to 19,921.14, 29,863.89 and 14,643.18

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Solution

The fourth proportional to 19,921.14, 29,863.89 and 14,643.18 is: 21,951.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,921.14 : 29,863.89 = 14,643.18 : x
  2. Step 2: Convert to fraction form
    19,921.14/29,863.89 = 14,643.18/x
  3. Step 3: Cross multiply
    19,921.14x = 29,863.89 × 14,643.18
  4. Step 4: Simplify right side
    19,921.14x = 437,302,316.77
  5. Step 5: Solve for x
    x = 437,302,316.77/19,921.14
  6. Step 6: Final answer
    x = 21,951.67

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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.