Home / 14,431.16-21,589.80-10,931.26

Finding the Fourth Proportional to 14,431.16, 21,589.80 and 10,931.26

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Solution

The fourth proportional to 14,431.16, 21,589.80 and 10,931.26 is: 16,353.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,431.16 : 21,589.80 = 10,931.26 : x
  2. Step 2: Convert to fraction form
    14,431.16/21,589.80 = 10,931.26/x
  3. Step 3: Cross multiply
    14,431.16x = 21,589.80 × 10,931.26
  4. Step 4: Simplify right side
    14,431.16x = 236,003,717.15
  5. Step 5: Solve for x
    x = 236,003,717.15/14,431.16
  6. Step 6: Final answer
    x = 16,353.76

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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.