Home / 37,130.04-55,706.55-12,170.28

Finding the Fourth Proportional to 37,130.04, 55,706.55 and 12,170.28

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Solution

The fourth proportional to 37,130.04, 55,706.55 and 12,170.28 is: 18,259.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,130.04 : 55,706.55 = 12,170.28 : x
  2. Step 2: Convert to fraction form
    37,130.04/55,706.55 = 12,170.28/x
  3. Step 3: Cross multiply
    37,130.04x = 55,706.55 × 12,170.28
  4. Step 4: Simplify right side
    37,130.04x = 677,964,311.33
  5. Step 5: Solve for x
    x = 677,964,311.33/37,130.04
  6. Step 6: Final answer
    x = 18,259.19

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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.