Home / 19,162.12-26,441.89-14,129.06

Finding the Fourth Proportional to 19,162.12, 26,441.89 and 14,129.06

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Solution

The fourth proportional to 19,162.12, 26,441.89 and 14,129.06 is: 19,496.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,162.12 : 26,441.89 = 14,129.06 : x
  2. Step 2: Convert to fraction form
    19,162.12/26,441.89 = 14,129.06/x
  3. Step 3: Cross multiply
    19,162.12x = 26,441.89 × 14,129.06
  4. Step 4: Simplify right side
    19,162.12x = 373,599,036.64
  5. Step 5: Solve for x
    x = 373,599,036.64/19,162.12
  6. Step 6: Final answer
    x = 19,496.75

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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.