Home / 17,771.30-26,666.55-7,384.10

Finding the Fourth Proportional to 17,771.30, 26,666.55 and 7,384.10

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Solution

The fourth proportional to 17,771.30, 26,666.55 and 7,384.10 is: 11,080.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,771.30 : 26,666.55 = 7,384.10 : x
  2. Step 2: Convert to fraction form
    17,771.30/26,666.55 = 7,384.10/x
  3. Step 3: Cross multiply
    17,771.30x = 26,666.55 × 7,384.10
  4. Step 4: Simplify right side
    17,771.30x = 196,908,471.86
  5. Step 5: Solve for x
    x = 196,908,471.86/17,771.30
  6. Step 6: Final answer
    x = 11,080.14

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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.