Home / 14,511.99-20,015.25-9,730.35

Finding the Fourth Proportional to 14,511.99, 20,015.25 and 9,730.35

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Solution

The fourth proportional to 14,511.99, 20,015.25 and 9,730.35 is: 13,420.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,511.99 : 20,015.25 = 9,730.35 : x
  2. Step 2: Convert to fraction form
    14,511.99/20,015.25 = 9,730.35/x
  3. Step 3: Cross multiply
    14,511.99x = 20,015.25 × 9,730.35
  4. Step 4: Simplify right side
    14,511.99x = 194,755,387.84
  5. Step 5: Solve for x
    x = 194,755,387.84/14,511.99
  6. Step 6: Final answer
    x = 13,420.31

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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.