Home / 25,932.72-38,918.34-19,284.72

Finding the Fourth Proportional to 25,932.72, 38,918.34 and 19,284.72

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Solution

The fourth proportional to 25,932.72, 38,918.34 and 19,284.72 is: 28,941.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,932.72 : 38,918.34 = 19,284.72 : x
  2. Step 2: Convert to fraction form
    25,932.72/38,918.34 = 19,284.72/x
  3. Step 3: Cross multiply
    25,932.72x = 38,918.34 × 19,284.72
  4. Step 4: Simplify right side
    25,932.72x = 750,529,289.76
  5. Step 5: Solve for x
    x = 750,529,289.76/25,932.72
  6. Step 6: Final answer
    x = 28,941.40

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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.