Home / 53,115.51-79,673.27-17,567.28

Finding the Fourth Proportional to 53,115.51, 79,673.27 and 17,567.28

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Solution

The fourth proportional to 53,115.51, 79,673.27 and 17,567.28 is: 26,350.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,115.51 : 79,673.27 = 17,567.28 : x
  2. Step 2: Convert to fraction form
    53,115.51/79,673.27 = 17,567.28/x
  3. Step 3: Cross multiply
    53,115.51x = 79,673.27 × 17,567.28
  4. Step 4: Simplify right side
    53,115.51x = 1,399,642,642.61
  5. Step 5: Solve for x
    x = 1,399,642,642.61/53,115.51
  6. Step 6: Final answer
    x = 26,350.92

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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.