Home / 13,774.43-19,008.55-7,486.67

Finding the Fourth Proportional to 13,774.43, 19,008.55 and 7,486.67

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Solution

The fourth proportional to 13,774.43, 19,008.55 and 7,486.67 is: 10,331.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,774.43 : 19,008.55 = 7,486.67 : x
  2. Step 2: Convert to fraction form
    13,774.43/19,008.55 = 7,486.67/x
  3. Step 3: Cross multiply
    13,774.43x = 19,008.55 × 7,486.67
  4. Step 4: Simplify right side
    13,774.43x = 142,310,741.03
  5. Step 5: Solve for x
    x = 142,310,741.03/13,774.43
  6. Step 6: Final answer
    x = 10,331.52

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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.