Home / 17,585.28-26,381.16-5,578.38

Finding the Fourth Proportional to 17,585.28, 26,381.16 and 5,578.38

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Solution

The fourth proportional to 17,585.28, 26,381.16 and 5,578.38 is: 8,368.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,585.28 : 26,381.16 = 5,578.38 : x
  2. Step 2: Convert to fraction form
    17,585.28/26,381.16 = 5,578.38/x
  3. Step 3: Cross multiply
    17,585.28x = 26,381.16 × 5,578.38
  4. Step 4: Simplify right side
    17,585.28x = 147,164,135.32
  5. Step 5: Solve for x
    x = 147,164,135.32/17,585.28
  6. Step 6: Final answer
    x = 8,368.60

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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.