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Finding the Fourth Proportional to 14,339.51, 19,795.71 and 8,964.93

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Solution

The fourth proportional to 14,339.51, 19,795.71 and 8,964.93 is: 12,376.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,339.51 : 19,795.71 = 8,964.93 : x
  2. Step 2: Convert to fraction form
    14,339.51/19,795.71 = 8,964.93/x
  3. Step 3: Cross multiply
    14,339.51x = 19,795.71 × 8,964.93
  4. Step 4: Simplify right side
    14,339.51x = 177,467,055.47
  5. Step 5: Solve for x
    x = 177,467,055.47/14,339.51
  6. Step 6: Final answer
    x = 12,376.09

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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.