Home / 19,157.40-26,437.14-11,198.04

Finding the Fourth Proportional to 19,157.40, 26,437.14 and 11,198.04

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Solution

The fourth proportional to 19,157.40, 26,437.14 and 11,198.04 is: 15,453.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,157.40 : 26,437.14 = 11,198.04 : x
  2. Step 2: Convert to fraction form
    19,157.40/26,437.14 = 11,198.04/x
  3. Step 3: Cross multiply
    19,157.40x = 26,437.14 × 11,198.04
  4. Step 4: Simplify right side
    19,157.40x = 296,044,151.21
  5. Step 5: Solve for x
    x = 296,044,151.21/19,157.40
  6. Step 6: Final answer
    x = 15,453.25

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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.