Home / 27,152.45-40,718.67-9,378.59

Finding the Fourth Proportional to 27,152.45, 40,718.67 and 9,378.59

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Solution

The fourth proportional to 27,152.45, 40,718.67 and 9,378.59 is: 14,064.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,152.45 : 40,718.67 = 9,378.59 : x
  2. Step 2: Convert to fraction form
    27,152.45/40,718.67 = 9,378.59/x
  3. Step 3: Cross multiply
    27,152.45x = 40,718.67 × 9,378.59
  4. Step 4: Simplify right side
    27,152.45x = 381,883,507.68
  5. Step 5: Solve for x
    x = 381,883,507.68/27,152.45
  6. Step 6: Final answer
    x = 14,064.42

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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.