Home / 13,476.05-18,578.84-9,437.46

Finding the Fourth Proportional to 13,476.05, 18,578.84 and 9,437.46

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Solution

The fourth proportional to 13,476.05, 18,578.84 and 9,437.46 is: 13,011.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,476.05 : 18,578.84 = 9,437.46 : x
  2. Step 2: Convert to fraction form
    13,476.05/18,578.84 = 9,437.46/x
  3. Step 3: Cross multiply
    13,476.05x = 18,578.84 × 9,437.46
  4. Step 4: Simplify right side
    13,476.05x = 175,337,046.99
  5. Step 5: Solve for x
    x = 175,337,046.99/13,476.05
  6. Step 6: Final answer
    x = 13,011.01

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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.