Home / 14,700.76-20,289.99-8,735.74

Finding the Fourth Proportional to 14,700.76, 20,289.99 and 8,735.74

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Solution

The fourth proportional to 14,700.76, 20,289.99 and 8,735.74 is: 12,057.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,700.76 : 20,289.99 = 8,735.74 : x
  2. Step 2: Convert to fraction form
    14,700.76/20,289.99 = 8,735.74/x
  3. Step 3: Cross multiply
    14,700.76x = 20,289.99 × 8,735.74
  4. Step 4: Simplify right side
    14,700.76x = 177,248,077.24
  5. Step 5: Solve for x
    x = 177,248,077.24/14,700.76
  6. Step 6: Final answer
    x = 12,057.07

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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.