Home / 19,282.80-26,620.76-12,572.52

Finding the Fourth Proportional to 19,282.80, 26,620.76 and 12,572.52

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Solution

The fourth proportional to 19,282.80, 26,620.76 and 12,572.52 is: 17,356.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,282.80 : 26,620.76 = 12,572.52 : x
  2. Step 2: Convert to fraction form
    19,282.80/26,620.76 = 12,572.52/x
  3. Step 3: Cross multiply
    19,282.80x = 26,620.76 × 12,572.52
  4. Step 4: Simplify right side
    19,282.80x = 334,690,037.52
  5. Step 5: Solve for x
    x = 334,690,037.52/19,282.80
  6. Step 6: Final answer
    x = 17,356.92

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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.