Home / 19,660.17-27,131.52-10,708.16

Finding the Fourth Proportional to 19,660.17, 27,131.52 and 10,708.16

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Solution

The fourth proportional to 19,660.17, 27,131.52 and 10,708.16 is: 14,777.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,660.17 : 27,131.52 = 10,708.16 : x
  2. Step 2: Convert to fraction form
    19,660.17/27,131.52 = 10,708.16/x
  3. Step 3: Cross multiply
    19,660.17x = 27,131.52 × 10,708.16
  4. Step 4: Simplify right side
    19,660.17x = 290,528,657.20
  5. Step 5: Solve for x
    x = 290,528,657.20/19,660.17
  6. Step 6: Final answer
    x = 14,777.53

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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.