Home / 25,048.70-34,551.30-15,353.62

Finding the Fourth Proportional to 25,048.70, 34,551.30 and 15,353.62

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Solution

The fourth proportional to 25,048.70, 34,551.30 and 15,353.62 is: 21,178.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,048.70 : 34,551.30 = 15,353.62 : x
  2. Step 2: Convert to fraction form
    25,048.70/34,551.30 = 15,353.62/x
  3. Step 3: Cross multiply
    25,048.70x = 34,551.30 × 15,353.62
  4. Step 4: Simplify right side
    25,048.70x = 530,487,609.89
  5. Step 5: Solve for x
    x = 530,487,609.89/25,048.70
  6. Step 6: Final answer
    x = 21,178.25

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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.