Home / 19,324.50-28,980.96-7,476.18

Finding the Fourth Proportional to 19,324.50, 28,980.96 and 7,476.18

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Solution

The fourth proportional to 19,324.50, 28,980.96 and 7,476.18 is: 11,212.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,324.50 : 28,980.96 = 7,476.18 : x
  2. Step 2: Convert to fraction form
    19,324.50/28,980.96 = 7,476.18/x
  3. Step 3: Cross multiply
    19,324.50x = 28,980.96 × 7,476.18
  4. Step 4: Simplify right side
    19,324.50x = 216,666,873.53
  5. Step 5: Solve for x
    x = 216,666,873.53/19,324.50
  6. Step 6: Final answer
    x = 11,212.03

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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.