Home / 13,588.44-20,385.72-4,823.36

Finding the Fourth Proportional to 13,588.44, 20,385.72 and 4,823.36

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Solution

The fourth proportional to 13,588.44, 20,385.72 and 4,823.36 is: 7,236.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,588.44 : 20,385.72 = 4,823.36 : x
  2. Step 2: Convert to fraction form
    13,588.44/20,385.72 = 4,823.36/x
  3. Step 3: Cross multiply
    13,588.44x = 20,385.72 × 4,823.36
  4. Step 4: Simplify right side
    13,588.44x = 98,327,666.42
  5. Step 5: Solve for x
    x = 98,327,666.42/13,588.44
  6. Step 6: Final answer
    x = 7,236.13

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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.