Home / 14,519.15-19,987.20-13,026.54

Finding the Fourth Proportional to 14,519.15, 19,987.20 and 13,026.54

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Solution

The fourth proportional to 14,519.15, 19,987.20 and 13,026.54 is: 17,932.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,519.15 : 19,987.20 = 13,026.54 : x
  2. Step 2: Convert to fraction form
    14,519.15/19,987.20 = 13,026.54/x
  3. Step 3: Cross multiply
    14,519.15x = 19,987.20 × 13,026.54
  4. Step 4: Simplify right side
    14,519.15x = 260,364,060.29
  5. Step 5: Solve for x
    x = 260,364,060.29/14,519.15
  6. Step 6: Final answer
    x = 17,932.47

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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.