Home / 19,818.51-29,727.86-5,027.46

Finding the Fourth Proportional to 19,818.51, 29,727.86 and 5,027.46

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Solution

The fourth proportional to 19,818.51, 29,727.86 and 5,027.46 is: 7,541.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,818.51 : 29,727.86 = 5,027.46 : x
  2. Step 2: Convert to fraction form
    19,818.51/29,727.86 = 5,027.46/x
  3. Step 3: Cross multiply
    19,818.51x = 29,727.86 × 5,027.46
  4. Step 4: Simplify right side
    19,818.51x = 149,455,627.04
  5. Step 5: Solve for x
    x = 149,455,627.04/19,818.51
  6. Step 6: Final answer
    x = 7,541.21

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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.