Home / 19,814.60-29,705.52-15,451.40

Finding the Fourth Proportional to 19,814.60, 29,705.52 and 15,451.40

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Solution

The fourth proportional to 19,814.60, 29,705.52 and 15,451.40 is: 23,164.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,814.60 : 29,705.52 = 15,451.40 : x
  2. Step 2: Convert to fraction form
    19,814.60/29,705.52 = 15,451.40/x
  3. Step 3: Cross multiply
    19,814.60x = 29,705.52 × 15,451.40
  4. Step 4: Simplify right side
    19,814.60x = 458,991,871.73
  5. Step 5: Solve for x
    x = 458,991,871.73/19,814.60
  6. Step 6: Final answer
    x = 23,164.33

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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.