Home / 19,482.12-26,883.78-11,925.30

Finding the Fourth Proportional to 19,482.12, 26,883.78 and 11,925.30

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Solution

The fourth proportional to 19,482.12, 26,883.78 and 11,925.30 is: 16,455.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,482.12 : 26,883.78 = 11,925.30 : x
  2. Step 2: Convert to fraction form
    19,482.12/26,883.78 = 11,925.30/x
  3. Step 3: Cross multiply
    19,482.12x = 26,883.78 × 11,925.30
  4. Step 4: Simplify right side
    19,482.12x = 320,597,141.63
  5. Step 5: Solve for x
    x = 320,597,141.63/19,482.12
  6. Step 6: Final answer
    x = 16,455.97

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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.