Home / 17,617.34-26,417.32-8,722.37

Finding the Fourth Proportional to 17,617.34, 26,417.32 and 8,722.37

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Solution

The fourth proportional to 17,617.34, 26,417.32 and 8,722.37 is: 13,079.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,617.34 : 26,417.32 = 8,722.37 : x
  2. Step 2: Convert to fraction form
    17,617.34/26,417.32 = 8,722.37/x
  3. Step 3: Cross multiply
    17,617.34x = 26,417.32 × 8,722.37
  4. Step 4: Simplify right side
    17,617.34x = 230,421,639.45
  5. Step 5: Solve for x
    x = 230,421,639.45/17,617.34
  6. Step 6: Final answer
    x = 13,079.25

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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.