Home / 19,634.56-29,436.35-9,768.47

Finding the Fourth Proportional to 19,634.56, 29,436.35 and 9,768.47

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Solution

The fourth proportional to 19,634.56, 29,436.35 and 9,768.47 is: 14,644.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,634.56 : 29,436.35 = 9,768.47 : x
  2. Step 2: Convert to fraction form
    19,634.56/29,436.35 = 9,768.47/x
  3. Step 3: Cross multiply
    19,634.56x = 29,436.35 × 9,768.47
  4. Step 4: Simplify right side
    19,634.56x = 287,547,905.86
  5. Step 5: Solve for x
    x = 287,547,905.86/19,634.56
  6. Step 6: Final answer
    x = 14,644.99

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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.