Home / 19,393.60-26,775.84-14,909.08

Finding the Fourth Proportional to 19,393.60, 26,775.84 and 14,909.08

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Solution

The fourth proportional to 19,393.60, 26,775.84 and 14,909.08 is: 20,584.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,393.60 : 26,775.84 = 14,909.08 : x
  2. Step 2: Convert to fraction form
    19,393.60/26,775.84 = 14,909.08/x
  3. Step 3: Cross multiply
    19,393.60x = 26,775.84 × 14,909.08
  4. Step 4: Simplify right side
    19,393.60x = 399,203,140.63
  5. Step 5: Solve for x
    x = 399,203,140.63/19,393.60
  6. Step 6: Final answer
    x = 20,584.27

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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.