Home / 25,215.50-34,801.55-19,235.88

Finding the Fourth Proportional to 25,215.50, 34,801.55 and 19,235.88

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Solution

The fourth proportional to 25,215.50, 34,801.55 and 19,235.88 is: 26,548.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,215.50 : 34,801.55 = 19,235.88 : x
  2. Step 2: Convert to fraction form
    25,215.50/34,801.55 = 19,235.88/x
  3. Step 3: Cross multiply
    25,215.50x = 34,801.55 × 19,235.88
  4. Step 4: Simplify right side
    25,215.50x = 669,438,415.57
  5. Step 5: Solve for x
    x = 669,438,415.57/25,215.50
  6. Step 6: Final answer
    x = 26,548.68

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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.