Home / 19,355.52-26,719.56-12,641.43

Finding the Fourth Proportional to 19,355.52, 26,719.56 and 12,641.43

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Solution

The fourth proportional to 19,355.52, 26,719.56 and 12,641.43 is: 17,451.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,355.52 : 26,719.56 = 12,641.43 : x
  2. Step 2: Convert to fraction form
    19,355.52/26,719.56 = 12,641.43/x
  3. Step 3: Cross multiply
    19,355.52x = 26,719.56 × 12,641.43
  4. Step 4: Simplify right side
    19,355.52x = 337,773,447.37
  5. Step 5: Solve for x
    x = 337,773,447.37/19,355.52
  6. Step 6: Final answer
    x = 17,451.01

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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.