Home / 17,582.76-26,373.34-12,661.32

Finding the Fourth Proportional to 17,582.76, 26,373.34 and 12,661.32

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Solution

The fourth proportional to 17,582.76, 26,373.34 and 12,661.32 is: 18,991.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,582.76 : 26,373.34 = 12,661.32 : x
  2. Step 2: Convert to fraction form
    17,582.76/26,373.34 = 12,661.32/x
  3. Step 3: Cross multiply
    17,582.76x = 26,373.34 × 12,661.32
  4. Step 4: Simplify right side
    17,582.76x = 333,921,297.21
  5. Step 5: Solve for x
    x = 333,921,297.21/17,582.76
  6. Step 6: Final answer
    x = 18,991.40

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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.