Home / 13,545.81-18,692.34-7,576.46

Finding the Fourth Proportional to 13,545.81, 18,692.34 and 7,576.46

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Solution

The fourth proportional to 13,545.81, 18,692.34 and 7,576.46 is: 10,455.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,545.81 : 18,692.34 = 7,576.46 : x
  2. Step 2: Convert to fraction form
    13,545.81/18,692.34 = 7,576.46/x
  3. Step 3: Cross multiply
    13,545.81x = 18,692.34 × 7,576.46
  4. Step 4: Simplify right side
    13,545.81x = 141,621,672.85
  5. Step 5: Solve for x
    x = 141,621,672.85/13,545.81
  6. Step 6: Final answer
    x = 10,455.02

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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.