Home / 14,499.52-19,972-11,350.08

Finding the Fourth Proportional to 14,499.52, 19,972 and 11,350.08

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Solution

The fourth proportional to 14,499.52, 19,972 and 11,350.08 is: 15,633.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,499.52 : 19,972 = 11,350.08 : x
  2. Step 2: Convert to fraction form
    14,499.52/19,972 = 11,350.08/x
  3. Step 3: Cross multiply
    14,499.52x = 19,972 × 11,350.08
  4. Step 4: Simplify right side
    14,499.52x = 226,683,797.76
  5. Step 5: Solve for x
    x = 226,683,797.76/14,499.52
  6. Step 6: Final answer
    x = 15,633.88

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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.