Home / 18,729.60-25,852.05-10,774.38

Finding the Fourth Proportional to 18,729.60, 25,852.05 and 10,774.38

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Solution

The fourth proportional to 18,729.60, 25,852.05 and 10,774.38 is: 14,871.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,729.60 : 25,852.05 = 10,774.38 : x
  2. Step 2: Convert to fraction form
    18,729.60/25,852.05 = 10,774.38/x
  3. Step 3: Cross multiply
    18,729.60x = 25,852.05 × 10,774.38
  4. Step 4: Simplify right side
    18,729.60x = 278,539,810.48
  5. Step 5: Solve for x
    x = 278,539,810.48/18,729.60
  6. Step 6: Final answer
    x = 14,871.64

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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.