Home / 15,929.10-23,893.65-15,540.30

Finding the Fourth Proportional to 15,929.10, 23,893.65 and 15,540.30

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Solution

The fourth proportional to 15,929.10, 23,893.65 and 15,540.30 is: 23,310.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,929.10 : 23,893.65 = 15,540.30 : x
  2. Step 2: Convert to fraction form
    15,929.10/23,893.65 = 15,540.30/x
  3. Step 3: Cross multiply
    15,929.10x = 23,893.65 × 15,540.30
  4. Step 4: Simplify right side
    15,929.10x = 371,314,489.10
  5. Step 5: Solve for x
    x = 371,314,489.10/15,929.10
  6. Step 6: Final answer
    x = 23,310.45

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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.