Home / 21,794.57-32,688.81-7,004.78

Finding the Fourth Proportional to 21,794.57, 32,688.81 and 7,004.78

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Solution

The fourth proportional to 21,794.57, 32,688.81 and 7,004.78 is: 10,506.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,794.57 : 32,688.81 = 7,004.78 : x
  2. Step 2: Convert to fraction form
    21,794.57/32,688.81 = 7,004.78/x
  3. Step 3: Cross multiply
    21,794.57x = 32,688.81 × 7,004.78
  4. Step 4: Simplify right side
    21,794.57x = 228,977,922.51
  5. Step 5: Solve for x
    x = 228,977,922.51/21,794.57
  6. Step 6: Final answer
    x = 10,506.19

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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.