Home / 19,222.36-28,842.75-10,457.26

Finding the Fourth Proportional to 19,222.36, 28,842.75 and 10,457.26

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Solution

The fourth proportional to 19,222.36, 28,842.75 and 10,457.26 is: 15,690.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,222.36 : 28,842.75 = 10,457.26 : x
  2. Step 2: Convert to fraction form
    19,222.36/28,842.75 = 10,457.26/x
  3. Step 3: Cross multiply
    19,222.36x = 28,842.75 × 10,457.26
  4. Step 4: Simplify right side
    19,222.36x = 301,616,063.76
  5. Step 5: Solve for x
    x = 301,616,063.76/19,222.36
  6. Step 6: Final answer
    x = 15,690.90

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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.