Home / 14,730.85-20,328.37-8,016.40

Finding the Fourth Proportional to 14,730.85, 20,328.37 and 8,016.40

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Solution

The fourth proportional to 14,730.85, 20,328.37 and 8,016.40 is: 11,062.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,730.85 : 20,328.37 = 8,016.40 : x
  2. Step 2: Convert to fraction form
    14,730.85/20,328.37 = 8,016.40/x
  3. Step 3: Cross multiply
    14,730.85x = 20,328.37 × 8,016.40
  4. Step 4: Simplify right side
    14,730.85x = 162,960,345.27
  5. Step 5: Solve for x
    x = 162,960,345.27/14,730.85
  6. Step 6: Final answer
    x = 11,062.52

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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.