Home / 15,476.33-21,358.65-8,763.14

Finding the Fourth Proportional to 15,476.33, 21,358.65 and 8,763.14

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Solution

The fourth proportional to 15,476.33, 21,358.65 and 8,763.14 is: 12,093.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,476.33 : 21,358.65 = 8,763.14 : x
  2. Step 2: Convert to fraction form
    15,476.33/21,358.65 = 8,763.14/x
  3. Step 3: Cross multiply
    15,476.33x = 21,358.65 × 8,763.14
  4. Step 4: Simplify right side
    15,476.33x = 187,168,733.37
  5. Step 5: Solve for x
    x = 187,168,733.37/15,476.33
  6. Step 6: Final answer
    x = 12,093.87

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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.