Home / 15,713.40-21,694.56-9,753.84

Finding the Fourth Proportional to 15,713.40, 21,694.56 and 9,753.84

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Solution

The fourth proportional to 15,713.40, 21,694.56 and 9,753.84 is: 13,466.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,713.40 : 21,694.56 = 9,753.84 : x
  2. Step 2: Convert to fraction form
    15,713.40/21,694.56 = 9,753.84/x
  3. Step 3: Cross multiply
    15,713.40x = 21,694.56 × 9,753.84
  4. Step 4: Simplify right side
    15,713.40x = 211,605,267.11
  5. Step 5: Solve for x
    x = 211,605,267.11/15,713.40
  6. Step 6: Final answer
    x = 13,466.55

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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.