Home / 15,628.18-23,442.20-6,394.18

Finding the Fourth Proportional to 15,628.18, 23,442.20 and 6,394.18

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Solution

The fourth proportional to 15,628.18, 23,442.20 and 6,394.18 is: 9,591.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,628.18 : 23,442.20 = 6,394.18 : x
  2. Step 2: Convert to fraction form
    15,628.18/23,442.20 = 6,394.18/x
  3. Step 3: Cross multiply
    15,628.18x = 23,442.20 × 6,394.18
  4. Step 4: Simplify right side
    15,628.18x = 149,893,646.40
  5. Step 5: Solve for x
    x = 149,893,646.40/15,628.18
  6. Step 6: Final answer
    x = 9,591.24

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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.