Home / 13,472.12-18,590.82-7,503.68

Finding the Fourth Proportional to 13,472.12, 18,590.82 and 7,503.68

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Solution

The fourth proportional to 13,472.12, 18,590.82 and 7,503.68 is: 10,354.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,472.12 : 18,590.82 = 7,503.68 : x
  2. Step 2: Convert to fraction form
    13,472.12/18,590.82 = 7,503.68/x
  3. Step 3: Cross multiply
    13,472.12x = 18,590.82 × 7,503.68
  4. Step 4: Simplify right side
    13,472.12x = 139,499,564.22
  5. Step 5: Solve for x
    x = 139,499,564.22/13,472.12
  6. Step 6: Final answer
    x = 10,354.69

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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.