Home / 18,559.48-25,636.62-13,835.56

Finding the Fourth Proportional to 18,559.48, 25,636.62 and 13,835.56

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Solution

The fourth proportional to 18,559.48, 25,636.62 and 13,835.56 is: 19,111.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,559.48 : 25,636.62 = 13,835.56 : x
  2. Step 2: Convert to fraction form
    18,559.48/25,636.62 = 13,835.56/x
  3. Step 3: Cross multiply
    18,559.48x = 25,636.62 × 13,835.56
  4. Step 4: Simplify right side
    18,559.48x = 354,696,994.21
  5. Step 5: Solve for x
    x = 354,696,994.21/18,559.48
  6. Step 6: Final answer
    x = 19,111.36

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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.