Home / 13,836.45-19,095.03-7,787.10

Finding the Fourth Proportional to 13,836.45, 19,095.03 and 7,787.10

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Solution

The fourth proportional to 13,836.45, 19,095.03 and 7,787.10 is: 10,746.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,836.45 : 19,095.03 = 7,787.10 : x
  2. Step 2: Convert to fraction form
    13,836.45/19,095.03 = 7,787.10/x
  3. Step 3: Cross multiply
    13,836.45x = 19,095.03 × 7,787.10
  4. Step 4: Simplify right side
    13,836.45x = 148,694,908.11
  5. Step 5: Solve for x
    x = 148,694,908.11/13,836.45
  6. Step 6: Final answer
    x = 10,746.61

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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.