Home / 14,156.67-19,536.63-8,190.21

Finding the Fourth Proportional to 14,156.67, 19,536.63 and 8,190.21

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Solution

The fourth proportional to 14,156.67, 19,536.63 and 8,190.21 is: 11,302.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,156.67 : 19,536.63 = 8,190.21 : x
  2. Step 2: Convert to fraction form
    14,156.67/19,536.63 = 8,190.21/x
  3. Step 3: Cross multiply
    14,156.67x = 19,536.63 × 8,190.21
  4. Step 4: Simplify right side
    14,156.67x = 160,009,102.39
  5. Step 5: Solve for x
    x = 160,009,102.39/14,156.67
  6. Step 6: Final answer
    x = 11,302.74

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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.