Home / 14,855.10-20,513.91-9,559.14

Finding the Fourth Proportional to 14,855.10, 20,513.91 and 9,559.14

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Solution

The fourth proportional to 14,855.10, 20,513.91 and 9,559.14 is: 13,200.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,855.10 : 20,513.91 = 9,559.14 : x
  2. Step 2: Convert to fraction form
    14,855.10/20,513.91 = 9,559.14/x
  3. Step 3: Cross multiply
    14,855.10x = 20,513.91 × 9,559.14
  4. Step 4: Simplify right side
    14,855.10x = 196,095,337.64
  5. Step 5: Solve for x
    x = 196,095,337.64/14,855.10
  6. Step 6: Final answer
    x = 13,200.54

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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.