Home / 19,472.88-29,196.54-9,618.60

Finding the Fourth Proportional to 19,472.88, 29,196.54 and 9,618.60

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Solution

The fourth proportional to 19,472.88, 29,196.54 and 9,618.60 is: 14,421.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,472.88 : 29,196.54 = 9,618.60 : x
  2. Step 2: Convert to fraction form
    19,472.88/29,196.54 = 9,618.60/x
  3. Step 3: Cross multiply
    19,472.88x = 29,196.54 × 9,618.60
  4. Step 4: Simplify right side
    19,472.88x = 280,829,839.64
  5. Step 5: Solve for x
    x = 280,829,839.64/19,472.88
  6. Step 6: Final answer
    x = 14,421.59

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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.