Home / 19,219.52-26,507.58-13,249.82

Finding the Fourth Proportional to 19,219.52, 26,507.58 and 13,249.82

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Solution

The fourth proportional to 19,219.52, 26,507.58 and 13,249.82 is: 18,274.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,219.52 : 26,507.58 = 13,249.82 : x
  2. Step 2: Convert to fraction form
    19,219.52/26,507.58 = 13,249.82/x
  3. Step 3: Cross multiply
    19,219.52x = 26,507.58 × 13,249.82
  4. Step 4: Simplify right side
    19,219.52x = 351,220,663.64
  5. Step 5: Solve for x
    x = 351,220,663.64/19,219.52
  6. Step 6: Final answer
    x = 18,274.16

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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.