Home / 38,692.16-58,038.24-10,986.56

Finding the Fourth Proportional to 38,692.16, 58,038.24 and 10,986.56

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Solution

The fourth proportional to 38,692.16, 58,038.24 and 10,986.56 is: 16,479.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,692.16 : 58,038.24 = 10,986.56 : x
  2. Step 2: Convert to fraction form
    38,692.16/58,038.24 = 10,986.56/x
  3. Step 3: Cross multiply
    38,692.16x = 58,038.24 × 10,986.56
  4. Step 4: Simplify right side
    38,692.16x = 637,640,606.05
  5. Step 5: Solve for x
    x = 637,640,606.05/38,692.16
  6. Step 6: Final answer
    x = 16,479.84

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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.