Home / 27,447.92-37,878.28-14,872.64

Finding the Fourth Proportional to 27,447.92, 37,878.28 and 14,872.64

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Solution

The fourth proportional to 27,447.92, 37,878.28 and 14,872.64 is: 20,524.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,447.92 : 37,878.28 = 14,872.64 : x
  2. Step 2: Convert to fraction form
    27,447.92/37,878.28 = 14,872.64/x
  3. Step 3: Cross multiply
    27,447.92x = 37,878.28 × 14,872.64
  4. Step 4: Simplify right side
    27,447.92x = 563,350,022.26
  5. Step 5: Solve for x
    x = 563,350,022.26/27,447.92
  6. Step 6: Final answer
    x = 20,524.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.