Home / 19,774.64-27,283.56-11,813.96

Finding the Fourth Proportional to 19,774.64, 27,283.56 and 11,813.96

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Solution

The fourth proportional to 19,774.64, 27,283.56 and 11,813.96 is: 16,300.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,774.64 : 27,283.56 = 11,813.96 : x
  2. Step 2: Convert to fraction form
    19,774.64/27,283.56 = 11,813.96/x
  3. Step 3: Cross multiply
    19,774.64x = 27,283.56 × 11,813.96
  4. Step 4: Simplify right side
    19,774.64x = 322,326,886.50
  5. Step 5: Solve for x
    x = 322,326,886.50/19,774.64
  6. Step 6: Final answer
    x = 16,300.01

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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.