Home / 23,130.01-31,919.57-12,519.66

Finding the Fourth Proportional to 23,130.01, 31,919.57 and 12,519.66

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Solution

The fourth proportional to 23,130.01, 31,919.57 and 12,519.66 is: 17,277.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,130.01 : 31,919.57 = 12,519.66 : x
  2. Step 2: Convert to fraction form
    23,130.01/31,919.57 = 12,519.66/x
  3. Step 3: Cross multiply
    23,130.01x = 31,919.57 × 12,519.66
  4. Step 4: Simplify right side
    23,130.01x = 399,622,267.80
  5. Step 5: Solve for x
    x = 399,622,267.80/23,130.01
  6. Step 6: Final answer
    x = 17,277.22

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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.