Home / 19,379.40-29,071.53-9,510.36

Finding the Fourth Proportional to 19,379.40, 29,071.53 and 9,510.36

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Solution

The fourth proportional to 19,379.40, 29,071.53 and 9,510.36 is: 14,266.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,379.40 : 29,071.53 = 9,510.36 : x
  2. Step 2: Convert to fraction form
    19,379.40/29,071.53 = 9,510.36/x
  3. Step 3: Cross multiply
    19,379.40x = 29,071.53 × 9,510.36
  4. Step 4: Simplify right side
    19,379.40x = 276,480,716.05
  5. Step 5: Solve for x
    x = 276,480,716.05/19,379.40
  6. Step 6: Final answer
    x = 14,266.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.