Home / 25,502.42-38,253.63-7,972.40

Finding the Fourth Proportional to 25,502.42, 38,253.63 and 7,972.40

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Solution

The fourth proportional to 25,502.42, 38,253.63 and 7,972.40 is: 11,958.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,502.42 : 38,253.63 = 7,972.40 : x
  2. Step 2: Convert to fraction form
    25,502.42/38,253.63 = 7,972.40/x
  3. Step 3: Cross multiply
    25,502.42x = 38,253.63 × 7,972.40
  4. Step 4: Simplify right side
    25,502.42x = 304,973,048.54
  5. Step 5: Solve for x
    x = 304,973,048.54/25,502.42
  6. Step 6: Final answer
    x = 11,958.59

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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.