Home / 15,941.28-22,001.04-9,653.76

Finding the Fourth Proportional to 15,941.28, 22,001.04 and 9,653.76

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Solution

The fourth proportional to 15,941.28, 22,001.04 and 9,653.76 is: 13,323.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,941.28 : 22,001.04 = 9,653.76 : x
  2. Step 2: Convert to fraction form
    15,941.28/22,001.04 = 9,653.76/x
  3. Step 3: Cross multiply
    15,941.28x = 22,001.04 × 9,653.76
  4. Step 4: Simplify right side
    15,941.28x = 212,392,759.91
  5. Step 5: Solve for x
    x = 212,392,759.91/15,941.28
  6. Step 6: Final answer
    x = 13,323.44

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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.