Home / 13,595.74-20,387.83-5,274.20

Finding the Fourth Proportional to 13,595.74, 20,387.83 and 5,274.20

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Solution

The fourth proportional to 13,595.74, 20,387.83 and 5,274.20 is: 7,909.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,595.74 : 20,387.83 = 5,274.20 : x
  2. Step 2: Convert to fraction form
    13,595.74/20,387.83 = 5,274.20/x
  3. Step 3: Cross multiply
    13,595.74x = 20,387.83 × 5,274.20
  4. Step 4: Simplify right side
    13,595.74x = 107,529,492.99
  5. Step 5: Solve for x
    x = 107,529,492.99/13,595.74
  6. Step 6: Final answer
    x = 7,909.06

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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.