Home / 18,769.39-25,901.75-10,271.51

Finding the Fourth Proportional to 18,769.39, 25,901.75 and 10,271.51

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Solution

The fourth proportional to 18,769.39, 25,901.75 and 10,271.51 is: 14,174.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,769.39 : 25,901.75 = 10,271.51 : x
  2. Step 2: Convert to fraction form
    18,769.39/25,901.75 = 10,271.51/x
  3. Step 3: Cross multiply
    18,769.39x = 25,901.75 × 10,271.51
  4. Step 4: Simplify right side
    18,769.39x = 266,050,223.14
  5. Step 5: Solve for x
    x = 266,050,223.14/18,769.39
  6. Step 6: Final answer
    x = 14,174.69

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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.