Home / 14,771.40-20,384.69-8,056.95

Finding the Fourth Proportional to 14,771.40, 20,384.69 and 8,056.95

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Solution

The fourth proportional to 14,771.40, 20,384.69 and 8,056.95 is: 11,118.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,771.40 : 20,384.69 = 8,056.95 : x
  2. Step 2: Convert to fraction form
    14,771.40/20,384.69 = 8,056.95/x
  3. Step 3: Cross multiply
    14,771.40x = 20,384.69 × 8,056.95
  4. Step 4: Simplify right side
    14,771.40x = 164,238,387.81
  5. Step 5: Solve for x
    x = 164,238,387.81/14,771.40
  6. Step 6: Final answer
    x = 11,118.67

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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.