Home / 17,901.47-26,852.87-5,422.51

Finding the Fourth Proportional to 17,901.47, 26,852.87 and 5,422.51

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Solution

The fourth proportional to 17,901.47, 26,852.87 and 5,422.51 is: 8,133.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,901.47 : 26,852.87 = 5,422.51 : x
  2. Step 2: Convert to fraction form
    17,901.47/26,852.87 = 5,422.51/x
  3. Step 3: Cross multiply
    17,901.47x = 26,852.87 × 5,422.51
  4. Step 4: Simplify right side
    17,901.47x = 145,609,861.86
  5. Step 5: Solve for x
    x = 145,609,861.86/17,901.47
  6. Step 6: Final answer
    x = 8,133.96

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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.