Home / 18,751.16-25,875.78-10,253.06

Finding the Fourth Proportional to 18,751.16, 25,875.78 and 10,253.06

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Solution

The fourth proportional to 18,751.16, 25,875.78 and 10,253.06 is: 14,148.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,751.16 : 25,875.78 = 10,253.06 : x
  2. Step 2: Convert to fraction form
    18,751.16/25,875.78 = 10,253.06/x
  3. Step 3: Cross multiply
    18,751.16x = 25,875.78 × 10,253.06
  4. Step 4: Simplify right side
    18,751.16x = 265,305,924.89
  5. Step 5: Solve for x
    x = 265,305,924.89/18,751.16
  6. Step 6: Final answer
    x = 14,148.77

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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.