Home / 15,198.72-22,746.24-12,088.32

Finding the Fourth Proportional to 15,198.72, 22,746.24 and 12,088.32

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Solution

The fourth proportional to 15,198.72, 22,746.24 and 12,088.32 is: 18,091.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,198.72 : 22,746.24 = 12,088.32 : x
  2. Step 2: Convert to fraction form
    15,198.72/22,746.24 = 12,088.32/x
  3. Step 3: Cross multiply
    15,198.72x = 22,746.24 × 12,088.32
  4. Step 4: Simplify right side
    15,198.72x = 274,963,827.92
  5. Step 5: Solve for x
    x = 274,963,827.92/15,198.72
  6. Step 6: Final answer
    x = 18,091.25

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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.