Home / 14,730.99-20,328.74-8,358.83

Finding the Fourth Proportional to 14,730.99, 20,328.74 and 8,358.83

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Solution

The fourth proportional to 14,730.99, 20,328.74 and 8,358.83 is: 11,535.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,730.99 : 20,328.74 = 8,358.83 : x
  2. Step 2: Convert to fraction form
    14,730.99/20,328.74 = 8,358.83/x
  3. Step 3: Cross multiply
    14,730.99x = 20,328.74 × 8,358.83
  4. Step 4: Simplify right side
    14,730.99x = 169,924,439.98
  5. Step 5: Solve for x
    x = 169,924,439.98/14,730.99
  6. Step 6: Final answer
    x = 11,535.17

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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.