Home / 19,787.96-27,307.43-10,713.42

Finding the Fourth Proportional to 19,787.96, 27,307.43 and 10,713.42

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Solution

The fourth proportional to 19,787.96, 27,307.43 and 10,713.42 is: 14,784.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,787.96 : 27,307.43 = 10,713.42 : x
  2. Step 2: Convert to fraction form
    19,787.96/27,307.43 = 10,713.42/x
  3. Step 3: Cross multiply
    19,787.96x = 27,307.43 × 10,713.42
  4. Step 4: Simplify right side
    19,787.96x = 292,555,966.71
  5. Step 5: Solve for x
    x = 292,555,966.71/19,787.96
  6. Step 6: Final answer
    x = 14,784.54

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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.