Home / 13,558.96-18,718.16-8,525.95

Finding the Fourth Proportional to 13,558.96, 18,718.16 and 8,525.95

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Solution

The fourth proportional to 13,558.96, 18,718.16 and 8,525.95 is: 11,770.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,558.96 : 18,718.16 = 8,525.95 : x
  2. Step 2: Convert to fraction form
    13,558.96/18,718.16 = 8,525.95/x
  3. Step 3: Cross multiply
    13,558.96x = 18,718.16 × 8,525.95
  4. Step 4: Simplify right side
    13,558.96x = 159,590,096.25
  5. Step 5: Solve for x
    x = 159,590,096.25/13,558.96
  6. Step 6: Final answer
    x = 11,770.08

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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.