Home / 15,459.40-23,199.90-6,700.60

Finding the Fourth Proportional to 15,459.40, 23,199.90 and 6,700.60

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Solution

The fourth proportional to 15,459.40, 23,199.90 and 6,700.60 is: 10,055.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,459.40 : 23,199.90 = 6,700.60 : x
  2. Step 2: Convert to fraction form
    15,459.40/23,199.90 = 6,700.60/x
  3. Step 3: Cross multiply
    15,459.40x = 23,199.90 × 6,700.60
  4. Step 4: Simplify right side
    15,459.40x = 155,453,249.94
  5. Step 5: Solve for x
    x = 155,453,249.94/15,459.40
  6. Step 6: Final answer
    x = 10,055.58

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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.