Home / 15,673.33-21,628.52-8,599.28

Finding the Fourth Proportional to 15,673.33, 21,628.52 and 8,599.28

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Solution

The fourth proportional to 15,673.33, 21,628.52 and 8,599.28 is: 11,866.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,673.33 : 21,628.52 = 8,599.28 : x
  2. Step 2: Convert to fraction form
    15,673.33/21,628.52 = 8,599.28/x
  3. Step 3: Cross multiply
    15,673.33x = 21,628.52 × 8,599.28
  4. Step 4: Simplify right side
    15,673.33x = 185,989,699.47
  5. Step 5: Solve for x
    x = 185,989,699.47/15,673.33
  6. Step 6: Final answer
    x = 11,866.64

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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.