Home / 13,733.52-18,940.32-8,951.62

Finding the Fourth Proportional to 13,733.52, 18,940.32 and 8,951.62

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Solution

The fourth proportional to 13,733.52, 18,940.32 and 8,951.62 is: 12,345.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,733.52 : 18,940.32 = 8,951.62 : x
  2. Step 2: Convert to fraction form
    13,733.52/18,940.32 = 8,951.62/x
  3. Step 3: Cross multiply
    13,733.52x = 18,940.32 × 8,951.62
  4. Step 4: Simplify right side
    13,733.52x = 169,546,547.32
  5. Step 5: Solve for x
    x = 169,546,547.32/13,733.52
  6. Step 6: Final answer
    x = 12,345.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.