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Finding the Fourth Proportional to 14,873.95, 20,526.57 and 8,159.59

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Solution

The fourth proportional to 14,873.95, 20,526.57 and 8,159.59 is: 11,260.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,873.95 : 20,526.57 = 8,159.59 : x
  2. Step 2: Convert to fraction form
    14,873.95/20,526.57 = 8,159.59/x
  3. Step 3: Cross multiply
    14,873.95x = 20,526.57 × 8,159.59
  4. Step 4: Simplify right side
    14,873.95x = 167,488,292.67
  5. Step 5: Solve for x
    x = 167,488,292.67/14,873.95
  6. Step 6: Final answer
    x = 11,260.52

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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.