Home / 20,026.53-27,637.85-11,528.46

Finding the Fourth Proportional to 20,026.53, 27,637.85 and 11,528.46

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Solution

The fourth proportional to 20,026.53, 27,637.85 and 11,528.46 is: 15,909.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,026.53 : 27,637.85 = 11,528.46 : x
  2. Step 2: Convert to fraction form
    20,026.53/27,637.85 = 11,528.46/x
  3. Step 3: Cross multiply
    20,026.53x = 27,637.85 × 11,528.46
  4. Step 4: Simplify right side
    20,026.53x = 318,621,877.03
  5. Step 5: Solve for x
    x = 318,621,877.03/20,026.53
  6. Step 6: Final answer
    x = 15,909.99

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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.