Home / 19,787.73-27,307-10,835.16

Finding the Fourth Proportional to 19,787.73, 27,307 and 10,835.16

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Solution

The fourth proportional to 19,787.73, 27,307 and 10,835.16 is: 14,952.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,787.73 : 27,307 = 10,835.16 : x
  2. Step 2: Convert to fraction form
    19,787.73/27,307 = 10,835.16/x
  3. Step 3: Cross multiply
    19,787.73x = 27,307 × 10,835.16
  4. Step 4: Simplify right side
    19,787.73x = 295,875,714.12
  5. Step 5: Solve for x
    x = 295,875,714.12/19,787.73
  6. Step 6: Final answer
    x = 14,952.48

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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.