Home / 19,159.39-26,424.96-12,447.17

Finding the Fourth Proportional to 19,159.39, 26,424.96 and 12,447.17

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Solution

The fourth proportional to 19,159.39, 26,424.96 and 12,447.17 is: 17,167.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,159.39 : 26,424.96 = 12,447.17 : x
  2. Step 2: Convert to fraction form
    19,159.39/26,424.96 = 12,447.17/x
  3. Step 3: Cross multiply
    19,159.39x = 26,424.96 × 12,447.17
  4. Step 4: Simplify right side
    19,159.39x = 328,915,775.00
  5. Step 5: Solve for x
    x = 328,915,775.00/19,159.39
  6. Step 6: Final answer
    x = 17,167.34

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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.