Home / 16,798.60-25,199.10-5,111.76

Finding the Fourth Proportional to 16,798.60, 25,199.10 and 5,111.76

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Solution

The fourth proportional to 16,798.60, 25,199.10 and 5,111.76 is: 7,668.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,798.60 : 25,199.10 = 5,111.76 : x
  2. Step 2: Convert to fraction form
    16,798.60/25,199.10 = 5,111.76/x
  3. Step 3: Cross multiply
    16,798.60x = 25,199.10 × 5,111.76
  4. Step 4: Simplify right side
    16,798.60x = 128,811,751.42
  5. Step 5: Solve for x
    x = 128,811,751.42/16,798.60
  6. Step 6: Final answer
    x = 7,668.01

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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.