Home / 43,411.08-65,099.58-15,325.14

Finding the Fourth Proportional to 43,411.08, 65,099.58 and 15,325.14

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Solution

The fourth proportional to 43,411.08, 65,099.58 and 15,325.14 is: 22,981.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,411.08 : 65,099.58 = 15,325.14 : x
  2. Step 2: Convert to fraction form
    43,411.08/65,099.58 = 15,325.14/x
  3. Step 3: Cross multiply
    43,411.08x = 65,099.58 × 15,325.14
  4. Step 4: Simplify right side
    43,411.08x = 997,660,177.44
  5. Step 5: Solve for x
    x = 997,660,177.44/43,411.08
  6. Step 6: Final answer
    x = 22,981.69

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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.