Home / 18,281.58-25,237.35-11,570.46

Finding the Fourth Proportional to 18,281.58, 25,237.35 and 11,570.46

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Solution

The fourth proportional to 18,281.58, 25,237.35 and 11,570.46 is: 15,972.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,281.58 : 25,237.35 = 11,570.46 : x
  2. Step 2: Convert to fraction form
    18,281.58/25,237.35 = 11,570.46/x
  3. Step 3: Cross multiply
    18,281.58x = 25,237.35 × 11,570.46
  4. Step 4: Simplify right side
    18,281.58x = 292,007,748.68
  5. Step 5: Solve for x
    x = 292,007,748.68/18,281.58
  6. Step 6: Final answer
    x = 15,972.79

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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.