Home / 19,657.56-27,127.95-10,705.44

Finding the Fourth Proportional to 19,657.56, 27,127.95 and 10,705.44

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Solution

The fourth proportional to 19,657.56, 27,127.95 and 10,705.44 is: 14,773.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,657.56 : 27,127.95 = 10,705.44 : x
  2. Step 2: Convert to fraction form
    19,657.56/27,127.95 = 10,705.44/x
  3. Step 3: Cross multiply
    19,657.56x = 27,127.95 × 10,705.44
  4. Step 4: Simplify right side
    19,657.56x = 290,416,641.05
  5. Step 5: Solve for x
    x = 290,416,641.05/19,657.56
  6. Step 6: Final answer
    x = 14,773.79

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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.