Home / 13,566.08-20,285.64-9,658.64

Finding the Fourth Proportional to 13,566.08, 20,285.64 and 9,658.64

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Solution

The fourth proportional to 13,566.08, 20,285.64 and 9,658.64 is: 14,442.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,566.08 : 20,285.64 = 9,658.64 : x
  2. Step 2: Convert to fraction form
    13,566.08/20,285.64 = 9,658.64/x
  3. Step 3: Cross multiply
    13,566.08x = 20,285.64 × 9,658.64
  4. Step 4: Simplify right side
    13,566.08x = 195,931,693.93
  5. Step 5: Solve for x
    x = 195,931,693.93/13,566.08
  6. Step 6: Final answer
    x = 14,442.76

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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.