Home / 13,234.13-18,261.93-7,567.76

Finding the Fourth Proportional to 13,234.13, 18,261.93 and 7,567.76

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Solution

The fourth proportional to 13,234.13, 18,261.93 and 7,567.76 is: 10,442.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,234.13 : 18,261.93 = 7,567.76 : x
  2. Step 2: Convert to fraction form
    13,234.13/18,261.93 = 7,567.76/x
  3. Step 3: Cross multiply
    13,234.13x = 18,261.93 × 7,567.76
  4. Step 4: Simplify right side
    13,234.13x = 138,201,903.38
  5. Step 5: Solve for x
    x = 138,201,903.38/13,234.13
  6. Step 6: Final answer
    x = 10,442.84

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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.