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Finding the Fourth Proportional to 21,751.68, 32,598.57 and 14,245.71

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Solution

The fourth proportional to 21,751.68, 32,598.57 and 14,245.71 is: 21,349.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,751.68 : 32,598.57 = 14,245.71 : x
  2. Step 2: Convert to fraction form
    21,751.68/32,598.57 = 14,245.71/x
  3. Step 3: Cross multiply
    21,751.68x = 32,598.57 × 14,245.71
  4. Step 4: Simplify right side
    21,751.68x = 464,389,774.63
  5. Step 5: Solve for x
    x = 464,389,774.63/21,751.68
  6. Step 6: Final answer
    x = 21,349.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.