Home / 13,819.65-19,056.06-9,335.62

Finding the Fourth Proportional to 13,819.65, 19,056.06 and 9,335.62

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Solution

The fourth proportional to 13,819.65, 19,056.06 and 9,335.62 is: 12,872.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,819.65 : 19,056.06 = 9,335.62 : x
  2. Step 2: Convert to fraction form
    13,819.65/19,056.06 = 9,335.62/x
  3. Step 3: Cross multiply
    13,819.65x = 19,056.06 × 9,335.62
  4. Step 4: Simplify right side
    13,819.65x = 177,900,134.86
  5. Step 5: Solve for x
    x = 177,900,134.86/13,819.65
  6. Step 6: Final answer
    x = 12,872.98

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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.