Home / 18,580.93-25,637.63-11,029.75

Finding the Fourth Proportional to 18,580.93, 25,637.63 and 11,029.75

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Solution

The fourth proportional to 18,580.93, 25,637.63 and 11,029.75 is: 15,218.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,580.93 : 25,637.63 = 11,029.75 : x
  2. Step 2: Convert to fraction form
    18,580.93/25,637.63 = 11,029.75/x
  3. Step 3: Cross multiply
    18,580.93x = 25,637.63 × 11,029.75
  4. Step 4: Simplify right side
    18,580.93x = 282,776,530.25
  5. Step 5: Solve for x
    x = 282,776,530.25/18,580.93
  6. Step 6: Final answer
    x = 15,218.64

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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.