Home / 27,158.49-40,723.16-12,370.73

Finding the Fourth Proportional to 27,158.49, 40,723.16 and 12,370.73

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Solution

The fourth proportional to 27,158.49, 40,723.16 and 12,370.73 is: 18,549.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,158.49 : 40,723.16 = 12,370.73 : x
  2. Step 2: Convert to fraction form
    27,158.49/40,723.16 = 12,370.73/x
  3. Step 3: Cross multiply
    27,158.49x = 40,723.16 × 12,370.73
  4. Step 4: Simplify right side
    27,158.49x = 503,774,951.64
  5. Step 5: Solve for x
    x = 503,774,951.64/27,158.49
  6. Step 6: Final answer
    x = 18,549.45

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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.