Home / 55,038.04-82,555.98-13,485.04

Finding the Fourth Proportional to 55,038.04, 82,555.98 and 13,485.04

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Solution

The fourth proportional to 55,038.04, 82,555.98 and 13,485.04 is: 20,227.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,038.04 : 82,555.98 = 13,485.04 : x
  2. Step 2: Convert to fraction form
    55,038.04/82,555.98 = 13,485.04/x
  3. Step 3: Cross multiply
    55,038.04x = 82,555.98 × 13,485.04
  4. Step 4: Simplify right side
    55,038.04x = 1,113,270,692.54
  5. Step 5: Solve for x
    x = 1,113,270,692.54/55,038.04
  6. Step 6: Final answer
    x = 20,227.30

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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.