Home / 17,349.84-26,011.80-9,431.28

Finding the Fourth Proportional to 17,349.84, 26,011.80 and 9,431.28

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Solution

The fourth proportional to 17,349.84, 26,011.80 and 9,431.28 is: 14,139.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,349.84 : 26,011.80 = 9,431.28 : x
  2. Step 2: Convert to fraction form
    17,349.84/26,011.80 = 9,431.28/x
  3. Step 3: Cross multiply
    17,349.84x = 26,011.80 × 9,431.28
  4. Step 4: Simplify right side
    17,349.84x = 245,324,569.10
  5. Step 5: Solve for x
    x = 245,324,569.10/17,349.84
  6. Step 6: Final answer
    x = 14,139.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.