Home / 13,842.24-20,738.40-7,595.52

Finding the Fourth Proportional to 13,842.24, 20,738.40 and 7,595.52

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Solution

The fourth proportional to 13,842.24, 20,738.40 and 7,595.52 is: 11,379.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,842.24 : 20,738.40 = 7,595.52 : x
  2. Step 2: Convert to fraction form
    13,842.24/20,738.40 = 7,595.52/x
  3. Step 3: Cross multiply
    13,842.24x = 20,738.40 × 7,595.52
  4. Step 4: Simplify right side
    13,842.24x = 157,518,931.97
  5. Step 5: Solve for x
    x = 157,518,931.97/13,842.24
  6. Step 6: Final answer
    x = 11,379.58

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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.