Home / 23,916.96-32,985.72-21,230.14

Finding the Fourth Proportional to 23,916.96, 32,985.72 and 21,230.14

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Solution

The fourth proportional to 23,916.96, 32,985.72 and 21,230.14 is: 29,280.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,916.96 : 32,985.72 = 21,230.14 : x
  2. Step 2: Convert to fraction form
    23,916.96/32,985.72 = 21,230.14/x
  3. Step 3: Cross multiply
    23,916.96x = 32,985.72 × 21,230.14
  4. Step 4: Simplify right side
    23,916.96x = 700,291,453.60
  5. Step 5: Solve for x
    x = 700,291,453.60/23,916.96
  6. Step 6: Final answer
    x = 29,280.12

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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.