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Finding the Fourth Proportional to 14,326.84, 19,780.26 and 9,849.16

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Solution

The fourth proportional to 14,326.84, 19,780.26 and 9,849.16 is: 13,598.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,326.84 : 19,780.26 = 9,849.16 : x
  2. Step 2: Convert to fraction form
    14,326.84/19,780.26 = 9,849.16/x
  3. Step 3: Cross multiply
    14,326.84x = 19,780.26 × 9,849.16
  4. Step 4: Simplify right side
    14,326.84x = 194,818,945.58
  5. Step 5: Solve for x
    x = 194,818,945.58/14,326.84
  6. Step 6: Final answer
    x = 13,598.18

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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.