Home / 15,772.86-23,658.48-4,679.64

Finding the Fourth Proportional to 15,772.86, 23,658.48 and 4,679.64

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Solution

The fourth proportional to 15,772.86, 23,658.48 and 4,679.64 is: 7,019.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,772.86 : 23,658.48 = 4,679.64 : x
  2. Step 2: Convert to fraction form
    15,772.86/23,658.48 = 4,679.64/x
  3. Step 3: Cross multiply
    15,772.86x = 23,658.48 × 4,679.64
  4. Step 4: Simplify right side
    15,772.86x = 110,713,169.35
  5. Step 5: Solve for x
    x = 110,713,169.35/15,772.86
  6. Step 6: Final answer
    x = 7,019.22

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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.