Home / 15,666.74-23,499.26-5,135.42

Finding the Fourth Proportional to 15,666.74, 23,499.26 and 5,135.42

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Solution

The fourth proportional to 15,666.74, 23,499.26 and 5,135.42 is: 7,702.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,666.74 : 23,499.26 = 5,135.42 : x
  2. Step 2: Convert to fraction form
    15,666.74/23,499.26 = 5,135.42/x
  3. Step 3: Cross multiply
    15,666.74x = 23,499.26 × 5,135.42
  4. Step 4: Simplify right side
    15,666.74x = 120,678,426.62
  5. Step 5: Solve for x
    x = 120,678,426.62/15,666.74
  6. Step 6: Final answer
    x = 7,702.84

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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.