Home / 16,287.74-22,487.18-12,503.67

Finding the Fourth Proportional to 16,287.74, 22,487.18 and 12,503.67

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Solution

The fourth proportional to 16,287.74, 22,487.18 and 12,503.67 is: 17,262.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,287.74 : 22,487.18 = 12,503.67 : x
  2. Step 2: Convert to fraction form
    16,287.74/22,487.18 = 12,503.67/x
  3. Step 3: Cross multiply
    16,287.74x = 22,487.18 × 12,503.67
  4. Step 4: Simplify right side
    16,287.74x = 281,172,277.95
  5. Step 5: Solve for x
    x = 281,172,277.95/16,287.74
  6. Step 6: Final answer
    x = 17,262.82

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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.