Home / 15,606.38-21,536.81-8,532.86

Finding the Fourth Proportional to 15,606.38, 21,536.81 and 8,532.86

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Solution

The fourth proportional to 15,606.38, 21,536.81 and 8,532.86 is: 11,775.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,606.38 : 21,536.81 = 8,532.86 : x
  2. Step 2: Convert to fraction form
    15,606.38/21,536.81 = 8,532.86/x
  3. Step 3: Cross multiply
    15,606.38x = 21,536.81 × 8,532.86
  4. Step 4: Simplify right side
    15,606.38x = 183,770,434.23
  5. Step 5: Solve for x
    x = 183,770,434.23/15,606.38
  6. Step 6: Final answer
    x = 11,775.34

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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.