Home / 16,965.74-25,448.92-6,440.67

Finding the Fourth Proportional to 16,965.74, 25,448.92 and 6,440.67

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Solution

The fourth proportional to 16,965.74, 25,448.92 and 6,440.67 is: 9,661.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,965.74 : 25,448.92 = 6,440.67 : x
  2. Step 2: Convert to fraction form
    16,965.74/25,448.92 = 6,440.67/x
  3. Step 3: Cross multiply
    16,965.74x = 25,448.92 × 6,440.67
  4. Step 4: Simplify right side
    16,965.74x = 163,908,079.47
  5. Step 5: Solve for x
    x = 163,908,079.47/16,965.74
  6. Step 6: Final answer
    x = 9,661.12

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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.