Home / 19,948.30-27,527.55-10,995.79

Finding the Fourth Proportional to 19,948.30, 27,527.55 and 10,995.79

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Solution

The fourth proportional to 19,948.30, 27,527.55 and 10,995.79 is: 15,173.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,948.30 : 27,527.55 = 10,995.79 : x
  2. Step 2: Convert to fraction form
    19,948.30/27,527.55 = 10,995.79/x
  3. Step 3: Cross multiply
    19,948.30x = 27,527.55 × 10,995.79
  4. Step 4: Simplify right side
    19,948.30x = 302,687,159.01
  5. Step 5: Solve for x
    x = 302,687,159.01/19,948.30
  6. Step 6: Final answer
    x = 15,173.58

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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.