Home / 15,627.84-23,450.40-6,400.32

Finding the Fourth Proportional to 15,627.84, 23,450.40 and 6,400.32

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Solution

The fourth proportional to 15,627.84, 23,450.40 and 6,400.32 is: 9,604.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,627.84 : 23,450.40 = 6,400.32 : x
  2. Step 2: Convert to fraction form
    15,627.84/23,450.40 = 6,400.32/x
  3. Step 3: Cross multiply
    15,627.84x = 23,450.40 × 6,400.32
  4. Step 4: Simplify right side
    15,627.84x = 150,090,064.13
  5. Step 5: Solve for x
    x = 150,090,064.13/15,627.84
  6. Step 6: Final answer
    x = 9,604.02

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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.