Home / 17,578.32-26,369.65-6,485.06

Finding the Fourth Proportional to 17,578.32, 26,369.65 and 6,485.06

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Solution

The fourth proportional to 17,578.32, 26,369.65 and 6,485.06 is: 9,728.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,578.32 : 26,369.65 = 6,485.06 : x
  2. Step 2: Convert to fraction form
    17,578.32/26,369.65 = 6,485.06/x
  3. Step 3: Cross multiply
    17,578.32x = 26,369.65 × 6,485.06
  4. Step 4: Simplify right side
    17,578.32x = 171,008,836.46
  5. Step 5: Solve for x
    x = 171,008,836.46/17,578.32
  6. Step 6: Final answer
    x = 9,728.40

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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.