Home / 23,619.60-35,429.40-21,815.33

Finding the Fourth Proportional to 23,619.60, 35,429.40 and 21,815.33

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Solution

The fourth proportional to 23,619.60, 35,429.40 and 21,815.33 is: 32,722.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,619.60 : 35,429.40 = 21,815.33 : x
  2. Step 2: Convert to fraction form
    23,619.60/35,429.40 = 21,815.33/x
  3. Step 3: Cross multiply
    23,619.60x = 35,429.40 × 21,815.33
  4. Step 4: Simplify right side
    23,619.60x = 772,903,875.56
  5. Step 5: Solve for x
    x = 772,903,875.56/23,619.60
  6. Step 6: Final answer
    x = 32,722.99

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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.