Home / 19,149.92-26,436.48-13,186.16

Finding the Fourth Proportional to 19,149.92, 26,436.48 and 13,186.16

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Solution

The fourth proportional to 19,149.92, 26,436.48 and 13,186.16 is: 18,203.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,149.92 : 26,436.48 = 13,186.16 : x
  2. Step 2: Convert to fraction form
    19,149.92/26,436.48 = 13,186.16/x
  3. Step 3: Cross multiply
    19,149.92x = 26,436.48 × 13,186.16
  4. Step 4: Simplify right side
    19,149.92x = 348,595,655.12
  5. Step 5: Solve for x
    x = 348,595,655.12/19,149.92
  6. Step 6: Final answer
    x = 18,203.50

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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.