Home / 17,062.75-23,547.39-9,991.45

Finding the Fourth Proportional to 17,062.75, 23,547.39 and 9,991.45

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Solution

The fourth proportional to 17,062.75, 23,547.39 and 9,991.45 is: 13,788.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,062.75 : 23,547.39 = 9,991.45 : x
  2. Step 2: Convert to fraction form
    17,062.75/23,547.39 = 9,991.45/x
  3. Step 3: Cross multiply
    17,062.75x = 23,547.39 × 9,991.45
  4. Step 4: Simplify right side
    17,062.75x = 235,272,452.08
  5. Step 5: Solve for x
    x = 235,272,452.08/17,062.75
  6. Step 6: Final answer
    x = 13,788.66

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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.