Home / 13,558.10-20,339.88-4,799.16

Finding the Fourth Proportional to 13,558.10, 20,339.88 and 4,799.16

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Solution

The fourth proportional to 13,558.10, 20,339.88 and 4,799.16 is: 7,199.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,558.10 : 20,339.88 = 4,799.16 : x
  2. Step 2: Convert to fraction form
    13,558.10/20,339.88 = 4,799.16/x
  3. Step 3: Cross multiply
    13,558.10x = 20,339.88 × 4,799.16
  4. Step 4: Simplify right side
    13,558.10x = 97,614,338.50
  5. Step 5: Solve for x
    x = 97,614,338.50/13,558.10
  6. Step 6: Final answer
    x = 7,199.71

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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.