Home / 23,485.20-35,256.60-23,312.40

Finding the Fourth Proportional to 23,485.20, 35,256.60 and 23,312.40

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Solution

The fourth proportional to 23,485.20, 35,256.60 and 23,312.40 is: 34,997.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,485.20 : 35,256.60 = 23,312.40 : x
  2. Step 2: Convert to fraction form
    23,485.20/35,256.60 = 23,312.40/x
  3. Step 3: Cross multiply
    23,485.20x = 35,256.60 × 23,312.40
  4. Step 4: Simplify right side
    23,485.20x = 821,915,961.84
  5. Step 5: Solve for x
    x = 821,915,961.84/23,485.20
  6. Step 6: Final answer
    x = 34,997.19

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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.