Home / 19,657.84-27,127.47-10,705.18

Finding the Fourth Proportional to 19,657.84, 27,127.47 and 10,705.18

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Solution

The fourth proportional to 19,657.84, 27,127.47 and 10,705.18 is: 14,772.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,657.84 : 27,127.47 = 10,705.18 : x
  2. Step 2: Convert to fraction form
    19,657.84/27,127.47 = 10,705.18/x
  3. Step 3: Cross multiply
    19,657.84x = 27,127.47 × 10,705.18
  4. Step 4: Simplify right side
    19,657.84x = 290,404,449.29
  5. Step 5: Solve for x
    x = 290,404,449.29/19,657.84
  6. Step 6: Final answer
    x = 14,772.96

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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.