Home / 37,157.04-55,737.42-12,186.99

Finding the Fourth Proportional to 37,157.04, 55,737.42 and 12,186.99

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Solution

The fourth proportional to 37,157.04, 55,737.42 and 12,186.99 is: 18,281.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,157.04 : 55,737.42 = 12,186.99 : x
  2. Step 2: Convert to fraction form
    37,157.04/55,737.42 = 12,186.99/x
  3. Step 3: Cross multiply
    37,157.04x = 55,737.42 × 12,186.99
  4. Step 4: Simplify right side
    37,157.04x = 679,271,380.17
  5. Step 5: Solve for x
    x = 679,271,380.17/37,157.04
  6. Step 6: Final answer
    x = 18,281.10

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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.