Home / 13,951.09-19,252.51-7,663.47

Finding the Fourth Proportional to 13,951.09, 19,252.51 and 7,663.47

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Solution

The fourth proportional to 13,951.09, 19,252.51 and 7,663.47 is: 10,575.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,951.09 : 19,252.51 = 7,663.47 : x
  2. Step 2: Convert to fraction form
    13,951.09/19,252.51 = 7,663.47/x
  3. Step 3: Cross multiply
    13,951.09x = 19,252.51 × 7,663.47
  4. Step 4: Simplify right side
    13,951.09x = 147,541,032.81
  5. Step 5: Solve for x
    x = 147,541,032.81/13,951.09
  6. Step 6: Final answer
    x = 10,575.59

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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.