Home / 14,243.39-19,656.29-7,955.63

Finding the Fourth Proportional to 14,243.39, 19,656.29 and 7,955.63

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Solution

The fourth proportional to 14,243.39, 19,656.29 and 7,955.63 is: 10,979.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,243.39 : 19,656.29 = 7,955.63 : x
  2. Step 2: Convert to fraction form
    14,243.39/19,656.29 = 7,955.63/x
  3. Step 3: Cross multiply
    14,243.39x = 19,656.29 × 7,955.63
  4. Step 4: Simplify right side
    14,243.39x = 156,378,092.02
  5. Step 5: Solve for x
    x = 156,378,092.02/14,243.39
  6. Step 6: Final answer
    x = 10,979.00

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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.