Home / 13,835.88-19,087.34-8,528.76

Finding the Fourth Proportional to 13,835.88, 19,087.34 and 8,528.76

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Solution

The fourth proportional to 13,835.88, 19,087.34 and 8,528.76 is: 11,765.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,835.88 : 19,087.34 = 8,528.76 : x
  2. Step 2: Convert to fraction form
    13,835.88/19,087.34 = 8,528.76/x
  3. Step 3: Cross multiply
    13,835.88x = 19,087.34 × 8,528.76
  4. Step 4: Simplify right side
    13,835.88x = 162,791,341.90
  5. Step 5: Solve for x
    x = 162,791,341.90/13,835.88
  6. Step 6: Final answer
    x = 11,765.88

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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.