Home / 15,435.18-23,152.60-3,748.40

Finding the Fourth Proportional to 15,435.18, 23,152.60 and 3,748.40

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Solution

The fourth proportional to 15,435.18, 23,152.60 and 3,748.40 is: 5,622.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,435.18 : 23,152.60 = 3,748.40 : x
  2. Step 2: Convert to fraction form
    15,435.18/23,152.60 = 3,748.40/x
  3. Step 3: Cross multiply
    15,435.18x = 23,152.60 × 3,748.40
  4. Step 4: Simplify right side
    15,435.18x = 86,785,205.84
  5. Step 5: Solve for x
    x = 86,785,205.84/15,435.18
  6. Step 6: Final answer
    x = 5,622.56

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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.