Home / 13,740.92-18,962.10-7,608.41

Finding the Fourth Proportional to 13,740.92, 18,962.10 and 7,608.41

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Solution

The fourth proportional to 13,740.92, 18,962.10 and 7,608.41 is: 10,499.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,740.92 : 18,962.10 = 7,608.41 : x
  2. Step 2: Convert to fraction form
    13,740.92/18,962.10 = 7,608.41/x
  3. Step 3: Cross multiply
    13,740.92x = 18,962.10 × 7,608.41
  4. Step 4: Simplify right side
    13,740.92x = 144,271,336.45
  5. Step 5: Solve for x
    x = 144,271,336.45/13,740.92
  6. Step 6: Final answer
    x = 10,499.40

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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.