Home / 19,935.51-29,903.30-18,717.62

Finding the Fourth Proportional to 19,935.51, 29,903.30 and 18,717.62

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Solution

The fourth proportional to 19,935.51, 29,903.30 and 18,717.62 is: 28,076.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,935.51 : 29,903.30 = 18,717.62 : x
  2. Step 2: Convert to fraction form
    19,935.51/29,903.30 = 18,717.62/x
  3. Step 3: Cross multiply
    19,935.51x = 29,903.30 × 18,717.62
  4. Step 4: Simplify right side
    19,935.51x = 559,718,606.15
  5. Step 5: Solve for x
    x = 559,718,606.15/19,935.51
  6. Step 6: Final answer
    x = 28,076.46

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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.