Home / 19,391.16-26,769.96-13,051.08

Finding the Fourth Proportional to 19,391.16, 26,769.96 and 13,051.08

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Solution

The fourth proportional to 19,391.16, 26,769.96 and 13,051.08 is: 18,017.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,391.16 : 26,769.96 = 13,051.08 : x
  2. Step 2: Convert to fraction form
    19,391.16/26,769.96 = 13,051.08/x
  3. Step 3: Cross multiply
    19,391.16x = 26,769.96 × 13,051.08
  4. Step 4: Simplify right side
    19,391.16x = 349,376,889.56
  5. Step 5: Solve for x
    x = 349,376,889.56/19,391.16
  6. Step 6: Final answer
    x = 18,017.33

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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.