Home / 15,606.27-21,536.69-9,636.57

Finding the Fourth Proportional to 15,606.27, 21,536.69 and 9,636.57

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Solution

The fourth proportional to 15,606.27, 21,536.69 and 9,636.57 is: 13,298.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,606.27 : 21,536.69 = 9,636.57 : x
  2. Step 2: Convert to fraction form
    15,606.27/21,536.69 = 9,636.57/x
  3. Step 3: Cross multiply
    15,606.27x = 21,536.69 × 9,636.57
  4. Step 4: Simplify right side
    15,606.27x = 207,539,772.57
  5. Step 5: Solve for x
    x = 207,539,772.57/15,606.27
  6. Step 6: Final answer
    x = 13,298.49

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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.