Home / 13,427.15-18,526.25-8,051.23

Finding the Fourth Proportional to 13,427.15, 18,526.25 and 8,051.23

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Solution

The fourth proportional to 13,427.15, 18,526.25 and 8,051.23 is: 11,108.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,427.15 : 18,526.25 = 8,051.23 : x
  2. Step 2: Convert to fraction form
    13,427.15/18,526.25 = 8,051.23/x
  3. Step 3: Cross multiply
    13,427.15x = 18,526.25 × 8,051.23
  4. Step 4: Simplify right side
    13,427.15x = 149,159,099.79
  5. Step 5: Solve for x
    x = 149,159,099.79/13,427.15
  6. Step 6: Final answer
    x = 11,108.77

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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.