Home / 23,187.99-31,999.11-12,577.41

Finding the Fourth Proportional to 23,187.99, 31,999.11 and 12,577.41

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Solution

The fourth proportional to 23,187.99, 31,999.11 and 12,577.41 is: 17,356.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,187.99 : 31,999.11 = 12,577.41 : x
  2. Step 2: Convert to fraction form
    23,187.99/31,999.11 = 12,577.41/x
  3. Step 3: Cross multiply
    23,187.99x = 31,999.11 × 12,577.41
  4. Step 4: Simplify right side
    23,187.99x = 402,465,926.11
  5. Step 5: Solve for x
    x = 402,465,926.11/23,187.99
  6. Step 6: Final answer
    x = 17,356.65

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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.