Home / 38,272.50-57,408.75-14,915.34

Finding the Fourth Proportional to 38,272.50, 57,408.75 and 14,915.34

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Solution

The fourth proportional to 38,272.50, 57,408.75 and 14,915.34 is: 22,373.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,272.50 : 57,408.75 = 14,915.34 : x
  2. Step 2: Convert to fraction form
    38,272.50/57,408.75 = 14,915.34/x
  3. Step 3: Cross multiply
    38,272.50x = 57,408.75 × 14,915.34
  4. Step 4: Simplify right side
    38,272.50x = 856,271,025.23
  5. Step 5: Solve for x
    x = 856,271,025.23/38,272.50
  6. Step 6: Final answer
    x = 22,373.01

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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.