Home / 16,635.40-22,960.71-10,971.16

Finding the Fourth Proportional to 16,635.40, 22,960.71 and 10,971.16

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Solution

The fourth proportional to 16,635.40, 22,960.71 and 10,971.16 is: 15,142.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,635.40 : 22,960.71 = 10,971.16 : x
  2. Step 2: Convert to fraction form
    16,635.40/22,960.71 = 10,971.16/x
  3. Step 3: Cross multiply
    16,635.40x = 22,960.71 × 10,971.16
  4. Step 4: Simplify right side
    16,635.40x = 251,905,623.12
  5. Step 5: Solve for x
    x = 251,905,623.12/16,635.40
  6. Step 6: Final answer
    x = 15,142.75

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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.