Home / 12,714.75-19,071.81-5,693.13

Finding the Fourth Proportional to 12,714.75, 19,071.81 and 5,693.13

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Solution

The fourth proportional to 12,714.75, 19,071.81 and 5,693.13 is: 8,539.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,714.75 : 19,071.81 = 5,693.13 : x
  2. Step 2: Convert to fraction form
    12,714.75/19,071.81 = 5,693.13/x
  3. Step 3: Cross multiply
    12,714.75x = 19,071.81 × 5,693.13
  4. Step 4: Simplify right side
    12,714.75x = 108,578,293.67
  5. Step 5: Solve for x
    x = 108,578,293.67/12,714.75
  6. Step 6: Final answer
    x = 8,539.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.