Home / 24,419.40-36,672.30-18,886.20

Finding the Fourth Proportional to 24,419.40, 36,672.30 and 18,886.20

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Solution

The fourth proportional to 24,419.40, 36,672.30 and 18,886.20 is: 28,362.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,419.40 : 36,672.30 = 18,886.20 : x
  2. Step 2: Convert to fraction form
    24,419.40/36,672.30 = 18,886.20/x
  3. Step 3: Cross multiply
    24,419.40x = 36,672.30 × 18,886.20
  4. Step 4: Simplify right side
    24,419.40x = 692,600,392.26
  5. Step 5: Solve for x
    x = 692,600,392.26/24,419.40
  6. Step 6: Final answer
    x = 28,362.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.