Home / 23,110.02-31,891.80-12,499.62

Finding the Fourth Proportional to 23,110.02, 31,891.80 and 12,499.62

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Solution

The fourth proportional to 23,110.02, 31,891.80 and 12,499.62 is: 17,249.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,110.02 : 31,891.80 = 12,499.62 : x
  2. Step 2: Convert to fraction form
    23,110.02/31,891.80 = 12,499.62/x
  3. Step 3: Cross multiply
    23,110.02x = 31,891.80 × 12,499.62
  4. Step 4: Simplify right side
    23,110.02x = 398,635,381.12
  5. Step 5: Solve for x
    x = 398,635,381.12/23,110.02
  6. Step 6: Final answer
    x = 17,249.46

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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.