Home / 19,854.64-27,392.48-11,899.44

Finding the Fourth Proportional to 19,854.64, 27,392.48 and 11,899.44

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Solution

The fourth proportional to 19,854.64, 27,392.48 and 11,899.44 is: 16,417.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,854.64 : 27,392.48 = 11,899.44 : x
  2. Step 2: Convert to fraction form
    19,854.64/27,392.48 = 11,899.44/x
  3. Step 3: Cross multiply
    19,854.64x = 27,392.48 × 11,899.44
  4. Step 4: Simplify right side
    19,854.64x = 325,955,172.21
  5. Step 5: Solve for x
    x = 325,955,172.21/19,854.64
  6. Step 6: Final answer
    x = 16,417.08

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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.