Home / 19,899.66-27,460.98-10,824.72

Finding the Fourth Proportional to 19,899.66, 27,460.98 and 10,824.72

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Solution

The fourth proportional to 19,899.66, 27,460.98 and 10,824.72 is: 14,937.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,899.66 : 27,460.98 = 10,824.72 : x
  2. Step 2: Convert to fraction form
    19,899.66/27,460.98 = 10,824.72/x
  3. Step 3: Cross multiply
    19,899.66x = 27,460.98 × 10,824.72
  4. Step 4: Simplify right side
    19,899.66x = 297,257,419.43
  5. Step 5: Solve for x
    x = 297,257,419.43/19,899.66
  6. Step 6: Final answer
    x = 14,937.81

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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.