Home / 14,730.74-20,328.39-8,358.58

Finding the Fourth Proportional to 14,730.74, 20,328.39 and 8,358.58

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Solution

The fourth proportional to 14,730.74, 20,328.39 and 8,358.58 is: 11,534.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,730.74 : 20,328.39 = 8,358.58 : x
  2. Step 2: Convert to fraction form
    14,730.74/20,328.39 = 8,358.58/x
  3. Step 3: Cross multiply
    14,730.74x = 20,328.39 × 8,358.58
  4. Step 4: Simplify right side
    14,730.74x = 169,916,474.09
  5. Step 5: Solve for x
    x = 169,916,474.09/14,730.74
  6. Step 6: Final answer
    x = 11,534.82

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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.