Home / 19,284.36-26,616.96-12,558.36

Finding the Fourth Proportional to 19,284.36, 26,616.96 and 12,558.36

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Solution

The fourth proportional to 19,284.36, 26,616.96 and 12,558.36 is: 17,333.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,284.36 : 26,616.96 = 12,558.36 : x
  2. Step 2: Convert to fraction form
    19,284.36/26,616.96 = 12,558.36/x
  3. Step 3: Cross multiply
    19,284.36x = 26,616.96 × 12,558.36
  4. Step 4: Simplify right side
    19,284.36x = 334,265,365.79
  5. Step 5: Solve for x
    x = 334,265,365.79/19,284.36
  6. Step 6: Final answer
    x = 17,333.50

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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.