Home / 15,349.86-23,019.12-12,069.36

Finding the Fourth Proportional to 15,349.86, 23,019.12 and 12,069.36

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Solution

The fourth proportional to 15,349.86, 23,019.12 and 12,069.36 is: 18,099.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,349.86 : 23,019.12 = 12,069.36 : x
  2. Step 2: Convert to fraction form
    15,349.86/23,019.12 = 12,069.36/x
  3. Step 3: Cross multiply
    15,349.86x = 23,019.12 × 12,069.36
  4. Step 4: Simplify right side
    15,349.86x = 277,826,046.16
  5. Step 5: Solve for x
    x = 277,826,046.16/15,349.86
  6. Step 6: Final answer
    x = 18,099.58

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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.