Home / 25,099.90-37,647.81-8,459.58

Finding the Fourth Proportional to 25,099.90, 37,647.81 and 8,459.58

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Solution

The fourth proportional to 25,099.90, 37,647.81 and 8,459.58 is: 12,688.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,099.90 : 37,647.81 = 8,459.58 : x
  2. Step 2: Convert to fraction form
    25,099.90/37,647.81 = 8,459.58/x
  3. Step 3: Cross multiply
    25,099.90x = 37,647.81 × 8,459.58
  4. Step 4: Simplify right side
    25,099.90x = 318,484,660.52
  5. Step 5: Solve for x
    x = 318,484,660.52/25,099.90
  6. Step 6: Final answer
    x = 12,688.68

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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.