Home / 19,263.20-26,578.96-12,548.16

Finding the Fourth Proportional to 19,263.20, 26,578.96 and 12,548.16

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Solution

The fourth proportional to 19,263.20, 26,578.96 and 12,548.16 is: 17,313.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,263.20 : 26,578.96 = 12,548.16 : x
  2. Step 2: Convert to fraction form
    19,263.20/26,578.96 = 12,548.16/x
  3. Step 3: Cross multiply
    19,263.20x = 26,578.96 × 12,548.16
  4. Step 4: Simplify right side
    19,263.20x = 333,517,042.71
  5. Step 5: Solve for x
    x = 333,517,042.71/19,263.20
  6. Step 6: Final answer
    x = 17,313.69

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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.