Home / 19,285.36-26,618.34-12,559.36

Finding the Fourth Proportional to 19,285.36, 26,618.34 and 12,559.36

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Solution

The fourth proportional to 19,285.36, 26,618.34 and 12,559.36 is: 17,334.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,285.36 : 26,618.34 = 12,559.36 : x
  2. Step 2: Convert to fraction form
    19,285.36/26,618.34 = 12,559.36/x
  3. Step 3: Cross multiply
    19,285.36x = 26,618.34 × 12,559.36
  4. Step 4: Simplify right side
    19,285.36x = 334,309,314.66
  5. Step 5: Solve for x
    x = 334,309,314.66/19,285.36
  6. Step 6: Final answer
    x = 17,334.88

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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.