Home / 15,933.52-21,984.24-9,644.68

Finding the Fourth Proportional to 15,933.52, 21,984.24 and 9,644.68

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Solution

The fourth proportional to 15,933.52, 21,984.24 and 9,644.68 is: 13,307.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,933.52 : 21,984.24 = 9,644.68 : x
  2. Step 2: Convert to fraction form
    15,933.52/21,984.24 = 9,644.68/x
  3. Step 3: Cross multiply
    15,933.52x = 21,984.24 × 9,644.68
  4. Step 4: Simplify right side
    15,933.52x = 212,030,959.84
  5. Step 5: Solve for x
    x = 212,030,959.84/15,933.52
  6. Step 6: Final answer
    x = 13,307.23

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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.