Home / 15,606.30-21,536.67-8,532.72

Finding the Fourth Proportional to 15,606.30, 21,536.67 and 8,532.72

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Solution

The fourth proportional to 15,606.30, 21,536.67 and 8,532.72 is: 11,775.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,606.30 : 21,536.67 = 8,532.72 : x
  2. Step 2: Convert to fraction form
    15,606.30/21,536.67 = 8,532.72/x
  3. Step 3: Cross multiply
    15,606.30x = 21,536.67 × 8,532.72
  4. Step 4: Simplify right side
    15,606.30x = 183,766,374.84
  5. Step 5: Solve for x
    x = 183,766,374.84/15,606.30
  6. Step 6: Final answer
    x = 11,775.14

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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.