Home / 15,257.39-21,057.69-10,473.38

Finding the Fourth Proportional to 15,257.39, 21,057.69 and 10,473.38

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Solution

The fourth proportional to 15,257.39, 21,057.69 and 10,473.38 is: 14,454.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,257.39 : 21,057.69 = 10,473.38 : x
  2. Step 2: Convert to fraction form
    15,257.39/21,057.69 = 10,473.38/x
  3. Step 3: Cross multiply
    15,257.39x = 21,057.69 × 10,473.38
  4. Step 4: Simplify right side
    15,257.39x = 220,545,189.29
  5. Step 5: Solve for x
    x = 220,545,189.29/15,257.39
  6. Step 6: Final answer
    x = 14,454.98

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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.