Home / 32,719.23-45,147.09-19,288.62

Finding the Fourth Proportional to 32,719.23, 45,147.09 and 19,288.62

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Solution

The fourth proportional to 32,719.23, 45,147.09 and 19,288.62 is: 26,615.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,719.23 : 45,147.09 = 19,288.62 : x
  2. Step 2: Convert to fraction form
    32,719.23/45,147.09 = 19,288.62/x
  3. Step 3: Cross multiply
    32,719.23x = 45,147.09 × 19,288.62
  4. Step 4: Simplify right side
    32,719.23x = 870,825,063.12
  5. Step 5: Solve for x
    x = 870,825,063.12/32,719.23
  6. Step 6: Final answer
    x = 26,615.08

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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.