Home / 19,581.40-29,345.55-14,291.59

Finding the Fourth Proportional to 19,581.40, 29,345.55 and 14,291.59

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Solution

The fourth proportional to 19,581.40, 29,345.55 and 14,291.59 is: 21,418.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,581.40 : 29,345.55 = 14,291.59 : x
  2. Step 2: Convert to fraction form
    19,581.40/29,345.55 = 14,291.59/x
  3. Step 3: Cross multiply
    19,581.40x = 29,345.55 × 14,291.59
  4. Step 4: Simplify right side
    19,581.40x = 419,394,597.48
  5. Step 5: Solve for x
    x = 419,394,597.48/19,581.40
  6. Step 6: Final answer
    x = 21,418.01

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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.