Home / 23,187.69-31,998.87-12,577.32

Finding the Fourth Proportional to 23,187.69, 31,998.87 and 12,577.32

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Solution

The fourth proportional to 23,187.69, 31,998.87 and 12,577.32 is: 17,356.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,187.69 : 31,998.87 = 12,577.32 : x
  2. Step 2: Convert to fraction form
    23,187.69/31,998.87 = 12,577.32/x
  3. Step 3: Cross multiply
    23,187.69x = 31,998.87 × 12,577.32
  4. Step 4: Simplify right side
    23,187.69x = 402,460,027.63
  5. Step 5: Solve for x
    x = 402,460,027.63/23,187.69
  6. Step 6: Final answer
    x = 17,356.62

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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.