Home / 14,575.75-20,117.06-8,607.67

Finding the Fourth Proportional to 14,575.75, 20,117.06 and 8,607.67

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Solution

The fourth proportional to 14,575.75, 20,117.06 and 8,607.67 is: 11,880.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,575.75 : 20,117.06 = 8,607.67 : x
  2. Step 2: Convert to fraction form
    14,575.75/20,117.06 = 8,607.67/x
  3. Step 3: Cross multiply
    14,575.75x = 20,117.06 × 8,607.67
  4. Step 4: Simplify right side
    14,575.75x = 173,160,952.80
  5. Step 5: Solve for x
    x = 173,160,952.80/14,575.75
  6. Step 6: Final answer
    x = 11,880.07

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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.