Home / 17,780.51-26,655.28-6,684.22

Finding the Fourth Proportional to 17,780.51, 26,655.28 and 6,684.22

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Solution

The fourth proportional to 17,780.51, 26,655.28 and 6,684.22 is: 10,020.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,780.51 : 26,655.28 = 6,684.22 : x
  2. Step 2: Convert to fraction form
    17,780.51/26,655.28 = 6,684.22/x
  3. Step 3: Cross multiply
    17,780.51x = 26,655.28 × 6,684.22
  4. Step 4: Simplify right side
    17,780.51x = 178,169,772.29
  5. Step 5: Solve for x
    x = 178,169,772.29/17,780.51
  6. Step 6: Final answer
    x = 10,020.51

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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.