Home / 25,557.12-38,292.75-19,285.56

Finding the Fourth Proportional to 25,557.12, 38,292.75 and 19,285.56

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Solution

The fourth proportional to 25,557.12, 38,292.75 and 19,285.56 is: 28,895.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,557.12 : 38,292.75 = 19,285.56 : x
  2. Step 2: Convert to fraction form
    25,557.12/38,292.75 = 19,285.56/x
  3. Step 3: Cross multiply
    25,557.12x = 38,292.75 × 19,285.56
  4. Step 4: Simplify right side
    25,557.12x = 738,497,127.69
  5. Step 5: Solve for x
    x = 738,497,127.69/25,557.12
  6. Step 6: Final answer
    x = 28,895.94

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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.