Home / 17,580.58-26,356.29-6,485.20

Finding the Fourth Proportional to 17,580.58, 26,356.29 and 6,485.20

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Solution

The fourth proportional to 17,580.58, 26,356.29 and 6,485.20 is: 9,722.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,580.58 : 26,356.29 = 6,485.20 : x
  2. Step 2: Convert to fraction form
    17,580.58/26,356.29 = 6,485.20/x
  3. Step 3: Cross multiply
    17,580.58x = 26,356.29 × 6,485.20
  4. Step 4: Simplify right side
    17,580.58x = 170,925,811.91
  5. Step 5: Solve for x
    x = 170,925,811.91/17,580.58
  6. Step 6: Final answer
    x = 9,722.42

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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.