Home / 17,820.69-26,730-4,673.07

Finding the Fourth Proportional to 17,820.69, 26,730 and 4,673.07

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Solution

The fourth proportional to 17,820.69, 26,730 and 4,673.07 is: 7,009.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,820.69 : 26,730 = 4,673.07 : x
  2. Step 2: Convert to fraction form
    17,820.69/26,730 = 4,673.07/x
  3. Step 3: Cross multiply
    17,820.69x = 26,730 × 4,673.07
  4. Step 4: Simplify right side
    17,820.69x = 124,911,161.10
  5. Step 5: Solve for x
    x = 124,911,161.10/17,820.69
  6. Step 6: Final answer
    x = 7,009.33

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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.