Home / 36,685.93-55,032.75-11,720.11

Finding the Fourth Proportional to 36,685.93, 55,032.75 and 11,720.11

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Solution

The fourth proportional to 36,685.93, 55,032.75 and 11,720.11 is: 17,581.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,685.93 : 55,032.75 = 11,720.11 : x
  2. Step 2: Convert to fraction form
    36,685.93/55,032.75 = 11,720.11/x
  3. Step 3: Cross multiply
    36,685.93x = 55,032.75 × 11,720.11
  4. Step 4: Simplify right side
    36,685.93x = 644,989,883.60
  5. Step 5: Solve for x
    x = 644,989,883.60/36,685.93
  6. Step 6: Final answer
    x = 17,581.40

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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.