Home / 19,047.21-26,257.74-13,364.34

Finding the Fourth Proportional to 19,047.21, 26,257.74 and 13,364.34

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Solution

The fourth proportional to 19,047.21, 26,257.74 and 13,364.34 is: 18,423.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,047.21 : 26,257.74 = 13,364.34 : x
  2. Step 2: Convert to fraction form
    19,047.21/26,257.74 = 13,364.34/x
  3. Step 3: Cross multiply
    19,047.21x = 26,257.74 × 13,364.34
  4. Step 4: Simplify right side
    19,047.21x = 350,917,364.99
  5. Step 5: Solve for x
    x = 350,917,364.99/19,047.21
  6. Step 6: Final answer
    x = 18,423.56

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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.