Home / 17,618.32-26,428.14-6,527.80

Finding the Fourth Proportional to 17,618.32, 26,428.14 and 6,527.80

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Solution

The fourth proportional to 17,618.32, 26,428.14 and 6,527.80 is: 9,791.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,618.32 : 26,428.14 = 6,527.80 : x
  2. Step 2: Convert to fraction form
    17,618.32/26,428.14 = 6,527.80/x
  3. Step 3: Cross multiply
    17,618.32x = 26,428.14 × 6,527.80
  4. Step 4: Simplify right side
    17,618.32x = 172,517,612.29
  5. Step 5: Solve for x
    x = 172,517,612.29/17,618.32
  6. Step 6: Final answer
    x = 9,791.94

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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.