Home / 13,552.78-18,702.23-7,503.25

Finding the Fourth Proportional to 13,552.78, 18,702.23 and 7,503.25

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Solution

The fourth proportional to 13,552.78, 18,702.23 and 7,503.25 is: 10,354.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,552.78 : 18,702.23 = 7,503.25 : x
  2. Step 2: Convert to fraction form
    13,552.78/18,702.23 = 7,503.25/x
  3. Step 3: Cross multiply
    13,552.78x = 18,702.23 × 7,503.25
  4. Step 4: Simplify right side
    13,552.78x = 140,327,507.25
  5. Step 5: Solve for x
    x = 140,327,507.25/13,552.78
  6. Step 6: Final answer
    x = 10,354.15

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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.