Home / 25,030.70-34,551-14,424.56

Finding the Fourth Proportional to 25,030.70, 34,551 and 14,424.56

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Solution

The fourth proportional to 25,030.70, 34,551 and 14,424.56 is: 19,910.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,030.70 : 34,551 = 14,424.56 : x
  2. Step 2: Convert to fraction form
    25,030.70/34,551 = 14,424.56/x
  3. Step 3: Cross multiply
    25,030.70x = 34,551 × 14,424.56
  4. Step 4: Simplify right side
    25,030.70x = 498,382,972.56
  5. Step 5: Solve for x
    x = 498,382,972.56/25,030.70
  6. Step 6: Final answer
    x = 19,910.87

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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.