Home / 18,657.47-25,747.93-10,159.92

Finding the Fourth Proportional to 18,657.47, 25,747.93 and 10,159.92

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Solution

The fourth proportional to 18,657.47, 25,747.93 and 10,159.92 is: 14,021.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,657.47 : 25,747.93 = 10,159.92 : x
  2. Step 2: Convert to fraction form
    18,657.47/25,747.93 = 10,159.92/x
  3. Step 3: Cross multiply
    18,657.47x = 25,747.93 × 10,159.92
  4. Step 4: Simplify right side
    18,657.47x = 261,596,908.97
  5. Step 5: Solve for x
    x = 261,596,908.97/18,657.47
  6. Step 6: Final answer
    x = 14,021.03

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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.