Home / 14,840.52-20,479.28-8,126.16

Finding the Fourth Proportional to 14,840.52, 20,479.28 and 8,126.16

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Solution

The fourth proportional to 14,840.52, 20,479.28 and 8,126.16 is: 11,213.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,840.52 : 20,479.28 = 8,126.16 : x
  2. Step 2: Convert to fraction form
    14,840.52/20,479.28 = 8,126.16/x
  3. Step 3: Cross multiply
    14,840.52x = 20,479.28 × 8,126.16
  4. Step 4: Simplify right side
    14,840.52x = 166,417,865.33
  5. Step 5: Solve for x
    x = 166,417,865.33/14,840.52
  6. Step 6: Final answer
    x = 11,213.75

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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.