Home / 19,776.64-27,283.08-11,814.88

Finding the Fourth Proportional to 19,776.64, 27,283.08 and 11,814.88

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Solution

The fourth proportional to 19,776.64, 27,283.08 and 11,814.88 is: 16,299.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,776.64 : 27,283.08 = 11,814.88 : x
  2. Step 2: Convert to fraction form
    19,776.64/27,283.08 = 11,814.88/x
  3. Step 3: Cross multiply
    19,776.64x = 27,283.08 × 11,814.88
  4. Step 4: Simplify right side
    19,776.64x = 322,346,316.23
  5. Step 5: Solve for x
    x = 322,346,316.23/19,776.64
  6. Step 6: Final answer
    x = 16,299.35

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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.