Home / 19,342.39-26,690.49-11,384.14

Finding the Fourth Proportional to 19,342.39, 26,690.49 and 11,384.14

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Solution

The fourth proportional to 19,342.39, 26,690.49 and 11,384.14 is: 15,708.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,342.39 : 26,690.49 = 11,384.14 : x
  2. Step 2: Convert to fraction form
    19,342.39/26,690.49 = 11,384.14/x
  3. Step 3: Cross multiply
    19,342.39x = 26,690.49 × 11,384.14
  4. Step 4: Simplify right side
    19,342.39x = 303,848,274.83
  5. Step 5: Solve for x
    x = 303,848,274.83/19,342.39
  6. Step 6: Final answer
    x = 15,708.93

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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.