Home / 18,569.76-25,634.96-11,500.32

Finding the Fourth Proportional to 18,569.76, 25,634.96 and 11,500.32

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Solution

The fourth proportional to 18,569.76, 25,634.96 and 11,500.32 is: 15,875.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,569.76 : 25,634.96 = 11,500.32 : x
  2. Step 2: Convert to fraction form
    18,569.76/25,634.96 = 11,500.32/x
  3. Step 3: Cross multiply
    18,569.76x = 25,634.96 × 11,500.32
  4. Step 4: Simplify right side
    18,569.76x = 294,810,243.19
  5. Step 5: Solve for x
    x = 294,810,243.19/18,569.76
  6. Step 6: Final answer
    x = 15,875.82

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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.