Home / 14,071.40-19,416.63-8,022.42

Finding the Fourth Proportional to 14,071.40, 19,416.63 and 8,022.42

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Solution

The fourth proportional to 14,071.40, 19,416.63 and 8,022.42 is: 11,069.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,071.40 : 19,416.63 = 8,022.42 : x
  2. Step 2: Convert to fraction form
    14,071.40/19,416.63 = 8,022.42/x
  3. Step 3: Cross multiply
    14,071.40x = 19,416.63 × 8,022.42
  4. Step 4: Simplify right side
    14,071.40x = 155,768,345.80
  5. Step 5: Solve for x
    x = 155,768,345.80/14,071.40
  6. Step 6: Final answer
    x = 11,069.86

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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.