Home / 29,713.35-41,015.12-20,275.23

Finding the Fourth Proportional to 29,713.35, 41,015.12 and 20,275.23

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Solution

The fourth proportional to 29,713.35, 41,015.12 and 20,275.23 is: 27,987.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,713.35 : 41,015.12 = 20,275.23 : x
  2. Step 2: Convert to fraction form
    29,713.35/41,015.12 = 20,275.23/x
  3. Step 3: Cross multiply
    29,713.35x = 41,015.12 × 20,275.23
  4. Step 4: Simplify right side
    29,713.35x = 831,590,890.10
  5. Step 5: Solve for x
    x = 831,590,890.10/29,713.35
  6. Step 6: Final answer
    x = 27,987.11

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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.