Home / 14,801.28-20,425.24-8,829.86

Finding the Fourth Proportional to 14,801.28, 20,425.24 and 8,829.86

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Solution

The fourth proportional to 14,801.28, 20,425.24 and 8,829.86 is: 12,184.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,801.28 : 20,425.24 = 8,829.86 : x
  2. Step 2: Convert to fraction form
    14,801.28/20,425.24 = 8,829.86/x
  3. Step 3: Cross multiply
    14,801.28x = 20,425.24 × 8,829.86
  4. Step 4: Simplify right side
    14,801.28x = 180,352,038.65
  5. Step 5: Solve for x
    x = 180,352,038.65/14,801.28
  6. Step 6: Final answer
    x = 12,184.89

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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.