Home / 19,736.13-29,604.21-9,865.47

Finding the Fourth Proportional to 19,736.13, 29,604.21 and 9,865.47

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Solution

The fourth proportional to 19,736.13, 29,604.21 and 9,865.47 is: 14,798.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,736.13 : 29,604.21 = 9,865.47 : x
  2. Step 2: Convert to fraction form
    19,736.13/29,604.21 = 9,865.47/x
  3. Step 3: Cross multiply
    19,736.13x = 29,604.21 × 9,865.47
  4. Step 4: Simplify right side
    19,736.13x = 292,059,445.63
  5. Step 5: Solve for x
    x = 292,059,445.63/19,736.13
  6. Step 6: Final answer
    x = 14,798.21

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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.