Home / 19,515.24-26,934.18-14,512.68

Finding the Fourth Proportional to 19,515.24, 26,934.18 and 14,512.68

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Solution

The fourth proportional to 19,515.24, 26,934.18 and 14,512.68 is: 20,029.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,515.24 : 26,934.18 = 14,512.68 : x
  2. Step 2: Convert to fraction form
    19,515.24/26,934.18 = 14,512.68/x
  3. Step 3: Cross multiply
    19,515.24x = 26,934.18 × 14,512.68
  4. Step 4: Simplify right side
    19,515.24x = 390,887,135.40
  5. Step 5: Solve for x
    x = 390,887,135.40/19,515.24
  6. Step 6: Final answer
    x = 20,029.84

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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.