Home / 14,854.80-20,499.68-8,567.20

Finding the Fourth Proportional to 14,854.80, 20,499.68 and 8,567.20

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Solution

The fourth proportional to 14,854.80, 20,499.68 and 8,567.20 is: 11,822.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,854.80 : 20,499.68 = 8,567.20 : x
  2. Step 2: Convert to fraction form
    14,854.80/20,499.68 = 8,567.20/x
  3. Step 3: Cross multiply
    14,854.80x = 20,499.68 × 8,567.20
  4. Step 4: Simplify right side
    14,854.80x = 175,624,858.50
  5. Step 5: Solve for x
    x = 175,624,858.50/14,854.80
  6. Step 6: Final answer
    x = 11,822.77

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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.