Home / 36,870.64-55,306.14-9,168.64

Finding the Fourth Proportional to 36,870.64, 55,306.14 and 9,168.64

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Solution

The fourth proportional to 36,870.64, 55,306.14 and 9,168.64 is: 13,753.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,870.64 : 55,306.14 = 9,168.64 : x
  2. Step 2: Convert to fraction form
    36,870.64/55,306.14 = 9,168.64/x
  3. Step 3: Cross multiply
    36,870.64x = 55,306.14 × 9,168.64
  4. Step 4: Simplify right side
    36,870.64x = 507,082,087.45
  5. Step 5: Solve for x
    x = 507,082,087.45/36,870.64
  6. Step 6: Final answer
    x = 13,753.00

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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.