Home / 13,825.88-19,073.54-8,518.76

Finding the Fourth Proportional to 13,825.88, 19,073.54 and 8,518.76

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Solution

The fourth proportional to 13,825.88, 19,073.54 and 8,518.76 is: 11,752.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,825.88 : 19,073.54 = 8,518.76 : x
  2. Step 2: Convert to fraction form
    13,825.88/19,073.54 = 8,518.76/x
  3. Step 3: Cross multiply
    13,825.88x = 19,073.54 × 8,518.76
  4. Step 4: Simplify right side
    13,825.88x = 162,482,909.61
  5. Step 5: Solve for x
    x = 162,482,909.61/13,825.88
  6. Step 6: Final answer
    x = 11,752.08

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Double scale
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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.