Home / 13,594.34-18,758.10-7,624.64

Finding the Fourth Proportional to 13,594.34, 18,758.10 and 7,624.64

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Solution

The fourth proportional to 13,594.34, 18,758.10 and 7,624.64 is: 10,520.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,594.34 : 18,758.10 = 7,624.64 : x
  2. Step 2: Convert to fraction form
    13,594.34/18,758.10 = 7,624.64/x
  3. Step 3: Cross multiply
    13,594.34x = 18,758.10 × 7,624.64
  4. Step 4: Simplify right side
    13,594.34x = 143,023,759.58
  5. Step 5: Solve for x
    x = 143,023,759.58/13,594.34
  6. Step 6: Final answer
    x = 10,520.83

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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.