Home / 14,126.59-21,191.12-5,242.02

Finding the Fourth Proportional to 14,126.59, 21,191.12 and 5,242.02

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Solution

The fourth proportional to 14,126.59, 21,191.12 and 5,242.02 is: 7,863.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,126.59 : 21,191.12 = 5,242.02 : x
  2. Step 2: Convert to fraction form
    14,126.59/21,191.12 = 5,242.02/x
  3. Step 3: Cross multiply
    14,126.59x = 21,191.12 × 5,242.02
  4. Step 4: Simplify right side
    14,126.59x = 111,084,274.86
  5. Step 5: Solve for x
    x = 111,084,274.86/14,126.59
  6. Step 6: Final answer
    x = 7,863.49

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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.