Home / 17,681.12-26,521.56-5,369.12

Finding the Fourth Proportional to 17,681.12, 26,521.56 and 5,369.12

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Solution

The fourth proportional to 17,681.12, 26,521.56 and 5,369.12 is: 8,053.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,681.12 : 26,521.56 = 5,369.12 : x
  2. Step 2: Convert to fraction form
    17,681.12/26,521.56 = 5,369.12/x
  3. Step 3: Cross multiply
    17,681.12x = 26,521.56 × 5,369.12
  4. Step 4: Simplify right side
    17,681.12x = 142,397,438.23
  5. Step 5: Solve for x
    x = 142,397,438.23/17,681.12
  6. Step 6: Final answer
    x = 8,053.64

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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.