Home / 19,932.65-27,507.24-10,980.47

Finding the Fourth Proportional to 19,932.65, 27,507.24 and 10,980.47

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Solution

The fourth proportional to 19,932.65, 27,507.24 and 10,980.47 is: 15,153.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,932.65 : 27,507.24 = 10,980.47 : x
  2. Step 2: Convert to fraction form
    19,932.65/27,507.24 = 10,980.47/x
  3. Step 3: Cross multiply
    19,932.65x = 27,507.24 × 10,980.47
  4. Step 4: Simplify right side
    19,932.65x = 302,042,423.60
  5. Step 5: Solve for x
    x = 302,042,423.60/19,932.65
  6. Step 6: Final answer
    x = 15,153.15

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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.