Home / 15,624.35-23,438.75-5,762.86

Finding the Fourth Proportional to 15,624.35, 23,438.75 and 5,762.86

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Solution

The fourth proportional to 15,624.35, 23,438.75 and 5,762.86 is: 8,645.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,624.35 : 23,438.75 = 5,762.86 : x
  2. Step 2: Convert to fraction form
    15,624.35/23,438.75 = 5,762.86/x
  3. Step 3: Cross multiply
    15,624.35x = 23,438.75 × 5,762.86
  4. Step 4: Simplify right side
    15,624.35x = 135,074,234.83
  5. Step 5: Solve for x
    x = 135,074,234.83/15,624.35
  6. Step 6: Final answer
    x = 8,645.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.