Home / 13,531.84-18,673.82-7,563.76

Finding the Fourth Proportional to 13,531.84, 18,673.82 and 7,563.76

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Solution

The fourth proportional to 13,531.84, 18,673.82 and 7,563.76 is: 10,437.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,531.84 : 18,673.82 = 7,563.76 : x
  2. Step 2: Convert to fraction form
    13,531.84/18,673.82 = 7,563.76/x
  3. Step 3: Cross multiply
    13,531.84x = 18,673.82 × 7,563.76
  4. Step 4: Simplify right side
    13,531.84x = 141,244,292.76
  5. Step 5: Solve for x
    x = 141,244,292.76/13,531.84
  6. Step 6: Final answer
    x = 10,437.92

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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.