Home / 14,102.64-21,157.07-5,337.59

Finding the Fourth Proportional to 14,102.64, 21,157.07 and 5,337.59

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Solution

The fourth proportional to 14,102.64, 21,157.07 and 5,337.59 is: 8,007.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,102.64 : 21,157.07 = 5,337.59 : x
  2. Step 2: Convert to fraction form
    14,102.64/21,157.07 = 5,337.59/x
  3. Step 3: Cross multiply
    14,102.64x = 21,157.07 × 5,337.59
  4. Step 4: Simplify right side
    14,102.64x = 112,927,632.79
  5. Step 5: Solve for x
    x = 112,927,632.79/14,102.64
  6. Step 6: Final answer
    x = 8,007.55

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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.