Home / 23,689.26-32,690.18-13,078.67

Finding the Fourth Proportional to 23,689.26, 32,690.18 and 13,078.67

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Solution

The fourth proportional to 23,689.26, 32,690.18 and 13,078.67 is: 18,048.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,689.26 : 32,690.18 = 13,078.67 : x
  2. Step 2: Convert to fraction form
    23,689.26/32,690.18 = 13,078.67/x
  3. Step 3: Cross multiply
    23,689.26x = 32,690.18 × 13,078.67
  4. Step 4: Simplify right side
    23,689.26x = 427,543,945.71
  5. Step 5: Solve for x
    x = 427,543,945.71/23,689.26
  6. Step 6: Final answer
    x = 18,048.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.