Home / 37,128.20-55,692.30-9,426.20

Finding the Fourth Proportional to 37,128.20, 55,692.30 and 9,426.20

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Solution

The fourth proportional to 37,128.20, 55,692.30 and 9,426.20 is: 14,139.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,128.20 : 55,692.30 = 9,426.20 : x
  2. Step 2: Convert to fraction form
    37,128.20/55,692.30 = 9,426.20/x
  3. Step 3: Cross multiply
    37,128.20x = 55,692.30 × 9,426.20
  4. Step 4: Simplify right side
    37,128.20x = 524,966,758.26
  5. Step 5: Solve for x
    x = 524,966,758.26/37,128.20
  6. Step 6: Final answer
    x = 14,139.30

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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.