Home / 14,130.52-21,191.70-5,697.02

Finding the Fourth Proportional to 14,130.52, 21,191.70 and 5,697.02

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Solution

The fourth proportional to 14,130.52, 21,191.70 and 5,697.02 is: 8,543.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,130.52 : 21,191.70 = 5,697.02 : x
  2. Step 2: Convert to fraction form
    14,130.52/21,191.70 = 5,697.02/x
  3. Step 3: Cross multiply
    14,130.52x = 21,191.70 × 5,697.02
  4. Step 4: Simplify right side
    14,130.52x = 120,729,538.73
  5. Step 5: Solve for x
    x = 120,729,538.73/14,130.52
  6. Step 6: Final answer
    x = 8,543.89

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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.