Home / 19,932.96-27,507.70-10,980.53

Finding the Fourth Proportional to 19,932.96, 27,507.70 and 10,980.53

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Solution

The fourth proportional to 19,932.96, 27,507.70 and 10,980.53 is: 15,153.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,932.96 : 27,507.70 = 10,980.53 : x
  2. Step 2: Convert to fraction form
    19,932.96/27,507.70 = 10,980.53/x
  3. Step 3: Cross multiply
    19,932.96x = 27,507.70 × 10,980.53
  4. Step 4: Simplify right side
    19,932.96x = 302,049,125.08
  5. Step 5: Solve for x
    x = 302,049,125.08/19,932.96
  6. Step 6: Final answer
    x = 15,153.25

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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.